2020小升初六年级毕业计算题专题(答案非常详细)

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2020年12月19日 20:49
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2020年12月19日发(作者:杭鸣时)


2020小升初六年级五星级计算题专题冲刺

二、解方程。(每道4分,共24分)


+
x
=
x
-75%
x
=

3342
2133
姓名:
_________
得分:
_________

一、简便计算。(每道4分,共24分)


5
6
× 12.5 ×
6
5
×8 48




2.7×43%+2.7×0.57






1
4
+

13
6

-

8
)× 24 4.3


×(
7
12
-

1
6

13
14

×25×
7
13

×0.4
×
7
8
+3.7÷

8
7







x
+3.6
)÷
3
4
=24






213
5
x
-
5
=
10





113
6
+
3
x
=
8

2
5
x
+ 25%
x
=65


三、混合运算。(每道5分,共40分)
521
20÷+ × - ÷×
42675
+ ÷× (1-)×(1-25%)
54161
537





3
4
×(
2
3

2
21
÷
4
7








3
×
5
109
-
2
3
÷6



86
8
15
×【
3
4
÷【
33

3
4
-
1
2
)÷
5
12

41
15
×(1+
8
)】
41421255




四、把下列比化简成最简整数比,并求出比值。
(每道2分,共
12分)

4

1
96

0.75:
3
8

40kg:0.8t





1
3
7

2
15
5

0.375:
8
16.55:2.5





2020小升初六年级毕业计算题专题答案权威发布
一、简便计算:
二、解方程:



21
33
1
3
+=
x
3
4
x
-75%
x
=
x
=3
2

5671

× 12.5 ×
×8 48×( -

) 2.7×43%+2.7×0.57
65126
5671
=( × )×(12.5×8 ) =48×

– 48 × =2.7×(0.43+0.57)
65126
=1×(12.5×8 ) =28-8 =2.7×1
=100 =20 =2.7




解:
x

=- 解:25%
43
323
2

19813

x

=-
x
=

3121242
113
xx


=
=
×4
3122

x

=×3

x
=6

12
1
4
1
x

=

11378


×25×

×0.4 ( +

-

)× 24 4.3× +3.7÷


141346887
137

x
+3.6
)÷=24 +
x
=
4
3
4
63
1
3113
13711377
=(×)×(25×0.4) = ×24+

×24-

×24 = 4.3× +3.7×
141346888
17
= × 10 =6+4-9 =

× (4.3+3.7)
28
7
=5 =1 = × 8
8
=7



解:(
x
+3.6
)=24× 解:
x
=
-
x
+3.6
8
31
=18
x
=

324
5
24
5
8
386
15
x
=18-3.6
x
=
×3


x
=14.4
x
=




2
5
x
-
13
3
510
x
=
=
1
510
2
5
x
+ 25%
x
=65
x
+





20
13
3
4
3
4
3
4
3
4
3
8
×(

3
2
3< br>2
3
22
21
2
21
1
6
÷
) ×【(-)÷】
715
8
4212
48315

2
5
+

解:
32
10
2
5
25
100
1
4
x
=65
= ×(
−×
) = ×(÷)
415
8
412
5
1
4
12
15
715

2
5
x
=
10
+



5
2
2
5
x
+
x
=65
= ×(

) = ×(×)
= × = ×
2155
183

2
5
x
=
5
5
8
2010
x
+
5
20
x
=65


x
=
x
=
10
5
4
×
13
20
x
=65
= =
25
8

65×

x
=

3
10
× - ÷6 ÷【×(1+)】
934158
5
9
23
1
6
3
4
49
158
52341

x
=

100


三、混合运算:
4< br>5
2
3
6
7
75
86
5
3
2
3
= × - × = ÷(×)
10
1
6
3
= - =÷
94
5
2
10
133
20÷+ × - ÷×
=20× + =-××
4
4
7
786
7
8
53
547532
= =
18
1

1
4142125
152116
41 4
15
4
1
8
6
4
16
25
25
=25+ =


3
1
+ ÷× (1-)×(1-25%)
5
4
5
4
5
54161
=25 =
724
413
=+×× = × 75%
= +× = ×
4
5
3
5
3
445
29
20
75
100




= + = ×
= =


四、把下列比化简成最简整数比,并求出比值。
4

6
0.75:
8
40kg:0.8t
9
413
13
1
7

5
0.375:
8
16.55:2.5
=
7

5
=0.375×8:
8
×8
=16.55×100:2.5×100
=
7
×35 :
5
×35 =3:15 =1655:250
3215
10
10
215
=
9
×18 :
6
×18

=0.75×8:
8
×8 =40kg:0.8×1000kg
2
=8 :3 =6:3 =40kg:800kg

=50:14 =3÷3:15÷3 =1655÷5:250÷5
=
8
3
或2














2
3
=6÷3:
=2:1
=2 =1
3÷3 =40:800
=40÷40:800÷40
:20
=
1
20
或0.05
=50÷2:
=25:7 =
=
254
7
或3
7













÷2 =1:5 =331
1
5
或0.2 =
:50
331
50
或6.62
14

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