六年级数学简便计算练习题答案
八一建军节-80大寿贺词
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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)