六年级数学简便计算练习题答案

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2020年11月29日 03:57
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八一建军节-80大寿贺词

2020年11月29日发(作者:郭小庄)


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六年级数学总复习简便计算练习题

一、口算。(10分)
10-2.65=7.35 0÷3.8= 0 9×0.08= 0.72 24÷0.4=60 67.5+0.25=67.75 6+14.4=20.4 0.77+0.33=1.1
113111
3
5-1.4-1.6=5-3=2 80×0.125=80*=10 ÷3×=*×=
7
8773749
二、用简便方法计算下面各题。(90分,4×20+5×2)
12222
1125-997 998+1246 4+3.2+5+6.8 12-(1+2) 400÷125÷8 25×(37×8)
33575
12222
=1125-(1000-3) =(998+2)+(1246-2) =(4+5)+(3.2+6.8)=12-2-1 =400÷(125*8)=25*8*37
33557
252
=1125-1000+3 =1000+1244 =10+10=20 =10-1=8 =400÷1000= =200*37=7400
775
=125+3=128 =2244



134413
1
(-)×12 1×2× 34×(2+) 125×8.8 4.35+4.25+3.65+3.75 3.4×99+3.4
4
6415734
644413
7
=(-)*12 =×2× =34×2+34× =125*(8+0.8) =(4.35+3.65)+(4.25+3.75)=3.4*(99+1)
242415734
4
24
7
4
=*12 =(×)*2 =68+13 =125*8+125*0.8 =8+8=16 =3.4*100=340
2415
4
7
44
=1 =1*2=2 =81 =1000+100=1100
1515



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5357152
-3-4 ÷2+× 0.125×0.25×32 22.3-2.45-5.3-4.55
64695119
5537115211
=17.15-(8.47+1.53) =17-4-3 =÷+× =**32 =22.3-5.3-(2.45+4.55)
6649511984
317552
=17.15-10 =13-3=9 =*+× =1 =17-7=10
17.15-8.47-1.53 17
44911119
=7.15 =(
7255
9

9
)×
11
=
11


(
1175
12

18
+
24
)×72 4.25-3
5
6
-(2
13
6
-1
4
) 187.7×11-187.7 43
=
11
12
×72+
7
18
×72+
5
24
×72 =4
1
4+1
3
4
-(3
5
6
+2
1
6
) =187.7*(11-1) =43
=11*6+7*4+5*3 =6-6=0 =1887 =
=66+28+15 =
=109

2.42÷
3
4
+4.58×
1< br>1
3
-4÷3
2
13712
2
×6.6+2.5×6
5
11
8
-6
3
-1
3

=2.42*
4
3
+4.58×
4
3
-
4
3
*1 =2
1
2
*
6
313
712
5
+2
2
*6
5 =
11
8
-(6
3
+1
3

=
413
3
(2.42+4.58-1) =
2
2
*2*6
5
=
11
7
-8=3
7
8

8
=
=
4
3
*6=8 =10+10=20


7
8
×
1
2
+ 57.125×
1
2
-0.5
3
4533
15
×(
7

14
÷
4
)

7
8
×
1
2
+5 7
1
8
×
1
2

1
2
=
3
45

3
4
15
×(
714
*
3


1
2
(43
7
8
+57
1
8
-1) =
49
5
2
15
*
(
7

7

1
2
*100=50 =
49
15
*
3
7
=
7
5

4.6+3
23
2.8+5
45
4
445
5
+6
5
+5.4
9
+7.2+3
9

5
-(2
5
+
12
)
=4
3232
45
44
5
+ 3
5
+6
5
+5
5
=(2.8+7.2)+5
9
+3
9
=
4
5
5
-2
5
-
12


4
3
5
+5
2
5
+(3
23
5
7< br>5
+6
5
)=10+9=19 =2-

12
=1
12



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3532536453534451143
4 +2.25+5 +7 7 +4 +2 53 -16 +16 2 +3 -3 +1 +1 0.75+ + +0.375 5-2 -1

88457541717< br>31533513
23565434354143
=4+2+5+7 =
7
5
+2
5
+4
7
=53
11
+16
11
-16
7
=2
7
+1
7
-3
7
+(3
9
+1
9
)=
+++ =
5-(2
17
+1
17

84844848
3513443153
54
=4+5+(2+7)=10+
4
7
=70--16
7
=
+5=5 =++(+)=2 =5-4=1

8844774488
53
=10+10=20 =14 =53
77






44444
+9 +99 +999 +9999 48.3-15 -4 9 ×4.25+4 ÷6 0.625×0.5+ + ×62.5% 31 ×72 ÷31 16 +(2 -1.8)
55555666482813857
5 111515154
41533544
=(1+9+99+999+9999) = 48.3-(15 +4 )=9
*4+4* =*+** =
31 ÷31 ×72 =16 +(2 -1)
566881357
6 446828285
335115114
44554
=11107 =48
-20=28 =(
9
+)*4 =*(++1) =1
×72 =72 =16 -1+2
513135
1
7
=10*

9999311717817
2.5×( + + + ) 22× +25×75%-7×0.75 0.25×63.5- ×13 6 ×2.5-2 ×4 3 +3.125+1 +1
1125-996

1215998
17854
4
13
= =
15+2
7
=18
42535
171
781
*4* =22*+25*-7* =*63-*13 =6*2-2*4 =
3
9
+1
9
+(3+1
8
)=1125-(1000-4)
21158
599371111771
=
*4*
=10
*=9 =(22+25+7)*= =*(63-13) =(6-4)*2 =5+5=10 =1125-1000+4
212
115

=*50=12 =2*=5 =125+4=129

422
=2


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3331714547743
(111+999) ÷[56×( - )] 49.5×10 -(50- )×0.6 ×4 +5 ÷1 + 45×( + -0.6) 897× -37.5%+104×0.375
785258
13743333
3331714577
=[110+(1+999)](56× -56× )=49
*
10 -49 ×
=
×4 +5 * + =45*(
+-) =
897×-+104×
7852 1119191111
259155888
1337433
7145
(10< br>-) =


4 +5 +1) =45*
+45*-45* =(
897-1+104)× =(110+1000)÷(24-21) =49
255
=1110*
1
3
=
49
1
2
*10=495 =



3
1
4
×(5
3
8
-5.375) 3.5×1
174
4
+1.25×2
10
+3.8÷
5

=
13331117
4
*(5
8
-5
8
) =3
2
*1
4
+1
4
*2
10
+3
4
5
*
5
4

=0 =(
3
1745
2
+2
10
+3
5
)*< br>4


=(77195
2
+2
10
+
5
)*
4

=(
357385
10
+ 2
10
+
10
)*
4


563×999 71×99 3755+2996







111919
91558
7
11
*11=7 =35+12-27=20 =(896+ 104)×
3
8
=1000
×
3
8
=375



72×156-56×72 25×32×125 709×99+709 299×101

=72*(156-56) =25*(8*4)*125 =709(99+1)

=72*100 =25*8*(4*125) =709*100
=7200 =200*500=100000 =70900
8439+1001 446+295 888+999 2100÷20



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1331
2×6.6+2.5×6 75.3×99+75.3 4.6×3.7+54×0.37 0.125×+×8.25+12.5% 8.37-3.25-(1.37+1.75)
2548
131313111
=2*6+2*6 =75.3*(99+1) =4.6*3.7+5.4*3.7 =*+*8+ =8.37-1.37-(3.25+1.75)
252584848
133131
=2(6+6) =75.3*100 =(4.6+5.4)*3.7 =(++1) =7-5=2
255844
1611
=2*12 =7530 =10*3.7 =*2=
2584
566
=*=33 =37
25

7123323353
11―6―1 15―4.25―5 19.82―6.57―3.43 4.6+3+6+5.4 4+2.25+5+7 9.63÷2.5÷4 6÷0.25
8331 4455884
71
=11-(6+1)=15-(4+5)=19.82-(6.57+3. 43)=4.6+5.4+(3+6)=4+5+(2+7)=9.63(2.5*4) =6
833
7733
=11-8 =3 =15-10=5 =19.82-10=9.82 =10+10=20 =10+10=20 =9.6310=0.963 =6*4=24
881414


755355855104522114
3-- ×+××+÷18×(+)
×7+×5

(-)×(24-)

12127887

1516279

96336125
755351159452114
=3-(
+
) =
(+) =*+* =18*+18* =*(7+5) =*24-*

1096312125
511112114
=3-1=2 =
=*+* =2*4+3*5 =*12 =2-=1

7323231515
111
=
+= =8+15=23 =2*4=8

663



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5444121122
1131023
(×+)÷ ÷[(+)×] ×7+×5
8
×[
2
÷(
5
×
9
)] (
15

11
)×15×11 12×103-4500÷75

77775351333
547121211323
=(
+1)** =(+) =(7+5) =
*(
*
) =
*165+*165

7745396538221511
51391133
=1
=*+*65 =2*4=8 =*= =2*11+3*15

75258432
399
=
+13=16 =22+45=67

1010


31
1
945 5
+17)÷
(25+)÷+
×+×+(21×+×21)× (99+)÷9 ×÷
412

77410568

44
4

2516251616

3458
12
=(8+17)* =25*4+*4+
=(++1) =21(+)* =99*+* =**

4425255
5
61
=25* =100+3+ =2*==1 =21*=5 =11+=11 ==1
54515
1
=5*12=60 =103
4


144211
1
÷[(+)×] (+)×30 +3÷
×-÷ 4-- ×58+×41+
8
1553116532

65105111188
1441
=(*+*) =*30+*30 =+3*2 =1- =4-(+) =*(58+41+1)
211118
1
=(+) =25+24=49 =6 = =4-1=2 =*100=12
182
14441437
=

=
*=

153315410
(32×


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445145234515
34177
××- ×+÷ ÷[(-)÷] 235 - 135÷18 ×153 – 0.6×53 ( + )÷ +
554310
574256555828
412254183
=
- =+(*) =(*) =*(153-53)

723535855
1214143
=
=*2=1 ==*5=4 =*100=3*20=60

1433



10 -
7
19
-
12
19
+
1
19
25×
153
3
÷
2
×
10

=10-(
7
19
+
12
19
)+
1153
19
=25*
3
*
2
*
10
=13.09-
=10-1+
1251
19
=
4
=6
4
=13.09-13=0.09
=9
1
19




5555
13.09-8.12-4.88
(8.12+4.88)

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