(1-6年级)小学数学常用单位换算公式

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2020年12月27日 16:04
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2020年12月27日发(作者:曹克强)


Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinabatch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
小学数学单位换算公式常用单位换算

长度单位换算
1千米=1000米 1米=10分米
1分米=10厘米 1
1厘米=10毫米 1

面积单位换算
1平方千米=100公顷 1
1平方米=100平方分米 1
1平方厘米=100平方毫米 1

体(容)积单位换算
1立方米=1000立方分米 1
1立方分米=1升 1
1立方米=1000升

重量单位换算
1吨=1000 千克 1
1千克=1公斤
米=100厘米
毫米 =1000微米
公顷=10000平方米
平方分米=100平方厘米
平方公里 =100 公顷
立方分米=1000立方厘米
立方厘米=1毫升
1升=1000毫升
千克=1000克


Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinabatch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve admnistrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
小学数学常用图形计算公式:

1.正方形
C周长 S面积 a边长
周长=边长×4
面积=边长×边长
2.正方体
V体积 a棱长
表面积=棱长×棱长×6
体积=棱长×棱长×棱长

3.长方形
C周长 S面积 a边长
周长=(长+宽)×2
面积=长×宽





C=4a
S=a×a 或S=


S表=a×a×6 或S表=
6a²

V=a×a×a 或V=


C=2(a+b)
S=ab






Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinathird batch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
4.长方体
V体积 S面积 a长 b宽 h高
表面积=(长×宽+长×高+宽×高)×2 S=2(ab+ah+bh)
体积=长×宽×高 V=abh

5.三角形
S面积 a底 h高
面积=底×高÷2
三角形高=面积 ×2÷底
三角形底=面积 ×2÷高

6.平行四边形
S面积 a底 h高
面积=底×高

7.梯形
S面积 a上底 b下底h高
面积=(上底+下底)×高÷2


S=ah÷2
h=S×2÷a
a=S×2÷h
S=ah
S=(a+b)× h÷2





Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinabatch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve admnistrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
8.圆形
S面积 C周长 π圆周率d直径 r半径
周长=直径×π C=πd
周长=2×π×半径 C=2πr
面积=半径×半径×π S= r× r×π或S=πr
²

直径=周长÷π d=C÷π
直径=2×r d=2r
半径=直径÷2 r=d÷2
半径=周长÷2÷π r=C÷2÷π
环面积=周长(大半径×2-小半径×2) S环=π(R×2-r×2)

9.圆柱体
V体积 h高 S底面积 r底面半径 C底面周长
侧面积=底面周长×高 S侧=Ch

或S侧=πdh

表面积=侧面积+底面积×2 表面积= S侧+S底×2
体积=底面积×高 圆柱V=S×h或 V=πr2h

10.圆锥体
V体积 h高 S底面积 r底面半径
体积=底面积×高÷3 V=S底h÷3


Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinathird batch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
分数
分数的加、减法则:同分母的分数相加减,只把分子相
加减,分母不变。
异分母的分数相加减,先通分,然后再加减。
分数的乘法则:用分子的积做分子,用分母的积做分母。
分数的除法则:除以一个数等于乘以这个数的倒数。
加法交换律a+b=b+a
加法结合律a+b+c=(a+b)+c=a+(b+c)=(a+c)+b
乘法交换律ab=ba 乘法结合律abc=(ab)c=a(bc)=(ac)b
乘法分配律a(b+c)=ab+ac
减法的运算性质a-b-c=a-(b+c)
除法的运算性质a÷b÷c=a÷(b×c)
商不变的性质 a÷b=(a×x)÷(b×x)=(a÷x)÷(b÷x)(x≠0)
分数的基本性质
比的基本性质a:b=(a×x):(b×x)=(a÷x):(b÷x)(x≠0)
比例的基本性质:因为a:b=c:d所以ad=bc


Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinabatch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve admnistrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
小学数学定义定理公式
1.加法交换律:两数相加交换加数的位置,和不变。
2.加法结合律:三个数相加,先把前两个数相加,或
先把后两个数相加,再同第三个数相加,和不变。
3.乘法交换律:两数相乘,交换因数的位置,积不变。
4.乘法结合律: 三个数相乘,先把前两个数相乘,或
先把后两个数相乘,再和第三个数相乘,它们的积不变。
5.乘法分配律:两个数的和同一个数相乘,可以把两
个加数分别同这个数相乘,再把两个积相加,结果 不变。如:
(2+4)×5=2×5+4×5。
6.除法的性质:在除法里,被除数 和除数同时扩大(或
缩小)相同的倍数,商不变。0除以任何不是0的数都得0。
7 .等式:等号左边的数值与等号右边的数值相等的式
子叫做等式。等式的基本性质:等式两边同时乘以( 或除以)
一个相同的数,等式仍然成立。
8.方程式:含有未知数的等式叫方程式。
9.一元一次方程式:含有一个未知数,并且未知数的
次 数是一次的等式叫做一元一次方程式。
学会一元一次方程式的例法及计算。即例出代有χ的算
式并计算。
10.分数:把单位“1”平均分成若干份,表示这样的一
份或几分的数,叫做分数。


Pushing ahead, East, North, West development, facilitating shanty, complete xincheng West Road, stability and reconstruction of the street, Star Ding garden built century Garden District, subject public housing construction, heating the gas expansion accelerated implementation, Jing Rui River and bridge style line solid shaft, further expanded the town development. Beautiful country adhere to the advance and typical for a group to lead. According to ogical lay based, and industry increased income, and live upgrade civilization, and culture rich connotationcaught built beautiful village, and whole village advance, and easily relocation, and builtct near 30 a; depth into ecological, and industry, and culture, and tourism, elements, high standards caught party original city Liu, and jade are Xia AO, model village, in province City set has benchmark. Four is equal benefits to promote sharing, coordinated development of various social undertakings.
In the case of rigid spending slowing revenue growth, increase, financial 75% to the people's livelihood, the masses have more access in the sharing. Cuoban something good and benefit. Adhere to the affordable, best, carefully cuoban village oil, water and heat, cultural, city and County columns practical, developments benefit families, bring more welfare to the masses. Development of social convenience. Acceptance of balanced development of compulsory education through the national assessment, the County vocational education center was named onal education in Chinathird batch of national reform and development model through provincial ...
Five is to deepen reform and innovation to break bottlenecks and endogenous development of effective fire. As an engine of dynamism, adding reform key to adopting reform measures stress energy and break bottlenecks and promoting development. Pay close attention to the key areas of reform. Conscientiously implement the provincial deployment and cancel, adjustment, to undertake the administrative approval items according to Regulation 347 to further improve administrative efficiency continuing deepening reform for poverty alleviation, speeding up rural land right registration certification pilot project, encouraging the orderly transfer of land management, utilize the land resources, in order to promote scale management laid the Foundation. Actively cultivate the market. Firmly establish a market-oriented, nurturing family farms, industrial users, professional cooperation organization new market management main body 456, effectively improve the industry, intensive and
marketization of encouraging support social capital into the small micro-credit, urban development, culture and tourism, public services and other areas, easing development shortfall. To promote mass innovation. To support the rural sector to use new thinking and new ideas, creative work incentives such as actively promoting financial intermediation, bring added 159 in non public enterprises, individually-1540, created a
11.分数的加减法则:同分母的分数相加减,只把分子
相加减,分母不变。异分母 的分数相加减,先通分,然后再
加减。
12.分数大小的比较:同分母的分数相比较 ,分子大的
大,分子小的小。异分母的分数相比较,先通分然后再比较;
若分子相同,分母大的 反而小。
13.分数乘整数,用分数的分子和整数相乘的积作分子,
分母不变。
14.分数乘分数,用分子相乘的积作分子,分母相乘的
积作为分母。
15.分数除以整数(0除外),等于分数乘以这个整数
的倒数。
16.真分数:分子比分母小的分数叫做真分数。
17.假分数:分子比分母大或者分子和分母相等的分数
叫做假分数。假分数大于或等于1。
18.带分数:把假分数写成整数和真分数的形式,叫做
带分数。
19.分数的基本性质:分数的分子和分母同时乘以或除
以同一个数(0除外),分数的大小不变。
20.一个数除以分数,等于这个数乘以分数的倒数。
21.甲数除以乙数(0除外),等于甲数乘以乙数的倒
数。

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