小数乘除法简便计算.pdf

小数乘除法简便计算
一、课堂练习
0.125×3.69×8(2.5－0.25)×4

8.59×1010.36×15.7－0.36×13.7

5.64×1.28＋8.72×5.640.63×199

60÷487.73×0.5＋2.27÷2

4.37＋99×4.3710.1×38.67－3.867

9.9÷5.58.63×25－0.063×250

9.3×10.13.99÷0.125÷8

0.99×0.81＋0.11×9×0.19(5.23＋5.23＋5.23＋5.23)×25

0.25×1.25×0.67×322.49×3.8＋0.249×62

33.41÷4－3.41×0.2554.8－0.3×0.3－3.91

(6.4＋48)÷0.815×9.7

2.5×(4＋8)×12.5

二、课后练习
0.25×8×2.12（12.5－1.25）×8

5.7×18.34－57×0.8343.87×4.12＋5.88×3.87

8.8÷5.53.25×199

5.64＋99×5.6420.1×35.22－3.522

5.2×20.13.7×1.63－0.37×15.3
0.88×0.78＋0.11×0.22×0.82.5×(4.21＋4.21＋8.42)

1.25×1.86×32×0.254.34×0.25＋0.25×5.56＋0.025

(7.2＋54)÷0.92.73×0.125＋7.27÷8

56.34÷2－6.34×0.511.43÷0.8÷12.5

12×19.821.56－0.4×0.4－3.84
80÷327.56×101

1.25×2.5×(8＋4)