五年级数学简便计算练习卷
一、 心算。
3.7+0.63= 0.04×25= 12.5×0.8= 2.5×0.8= 12.5×4= 1.5×4= 1.4×5= 0.18×5
1.6×0.5= 13.7+2.93= 4.5×0.9= 5.4×6= 20×0.05= 50×0.02= 0.36×2.5= 250×0.4
二、 简算。
3.5+73+6.5 3.7+0.25+0.75 2.73-1.98
2.5×13×4 137×1.25×8 3.9×1.8+6.1×1.8
7.3×99 3.8×101 2.5×3.2×1.25 25×2.4×500 3.5×99+3.5 9.8×101-9.8 38.5-(17.3+8.5) 32.7+998 561-8.6-11.4 96×1.25 8.8×1.25 3.6×250
三、小数乘法分配律专题练习
3.7×65+2.5×65+65×3.8 17.8×32+17.8×72-17.8×4
38×3.8+3.8×62 128.6+297 2.5+7.5-2.5+7.5
9×12+9×12 72×125 0.32×2.5×1.25
17×23-7×23 672-36+64 487-187-139-61
4.4×250 127+133+184+240 560×12.5
(40+8)×2.5 1.25×(8+80) 3.6×(100+50)
2.4×(0.2+10) 8.6×(1000-2) 1.5×(40-8)
3.6×34+3.6×66 0.75×2.3+0.25×2.3
6.3×43+57×6.39.3×6+9.3×4
3.25×113-3.25×13 0.28×18-8×0.28
7.8×102 69×10.2 56×10.1
52×1.02
3.1×99
85×9.8
8.3+8.3×99
7.5×101-7.5
6.9+4.8+3.1 0.456
125×8.1 25×4.1 0.42×98 29×0.99 12.5×79 25×3.9 5.6+5.6×99 0.99×99+0.99 12.5×81-12.5 +6.22+3.78
15.89+(6.75-5.89) 5.4+0.98
5.17-1.8-3.2 13.75-(3.75+6.48)
3.82+2.9+0.18+9.1 9.6+4.8-3.6
7.14-0.53-2.47 47.8-7.45+8.8
0.398+0.36+3.64 15.75+3.59-0.59+14.25
66.86-8.66-1.34 0.25×16.2×4
(1.25-0.125)×8 3.72×3.5+6.28×3.5
36.8-3.9-6.1 3.6×102
15.6×13.1-15.6-15.6×2.1 4.8×7.8+78×0.52
4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09
25.48-(9.4-0.52) 4.2÷3.5 320÷1.25÷8
18.76×9.9+18.76 3.52÷2.5÷0.4 3.9-4.1+6.1-5.9
35.6-1.8-15.6-7.2 73.8-1.64-13.8-5.36
3.68+7.56-2.68 7.85+2.34-0.85+4.66
5.27+2.86-0.66+1.63 3.35-4.68+2.65