5道小数除、乘的简便计算,急急急!
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发布时间：2022-04-27 00:09
共1个回答
热心网友
时间：2022-06-21 02:33
小数乘除法简便计算
一、课堂练习
0.125×3.69×8 (2.5－0.25) ×4 8.59×101
0.36×15.7－0.36×13.7 5.×1.28＋8.72×5.
0.63×199 60÷48 7.73×0.5＋2.27÷2
4.37＋99×4.37 10.1×38.67－3.867 9.9÷5.5
8.63×25－0.063×250 9.3×10.1 3.99÷0.125÷8
0.99×0.81＋0.11×9×0.19 (5.23＋5.23＋5.23＋5.23) ×25
0.25×1.25×0.67×32 2.49×3.8＋0.249×62
33.41÷4－3.41×0.25 54.8－0.3×0.3－3.91
(6.4＋48) ÷0.8 15×9.7 2.5×(4＋8) ×12.5
二、课后练习
0.25×8×2.12 （12.5－1.25）×8 5.7×18.34－57×0.834
3.87×4.12＋5.88×3.87 8.8÷5.5 3.25×199
5.＋99×5. 20.1×35.22－3.522 5.2×20.1
3.7×1.63－0.37×15.3 0.88×0.78＋0.11×0.22×0.8
2.5×(4.21＋4.21＋8.42) 1.25×1.86×32×0.25
4.34×0.25＋0.25×5.56＋0.025 (7.2＋54) ÷0.9
2.73×0.125＋7.27÷8 56.34÷2－6.34×0.5
11.43÷0.8÷12.5 12×19.8 21.56－0.4×0.4－3.84
80÷32 7.56×101 1.25×2.5×(8＋4)
