8.88乘9加28乘1.11的简便算法,

分类: 作业答案 • 2022-05-16 11:23:40

问题描述：

答

8.88=8×1.11
8.88×9+×1.11
=1.11×8+28×1.11拆分
=1.11×（8+28）乘法分配律
=1.11×36
=36×1+36×0.1+36×0.01
=36+0.36+0.036
=36.396

答

8.88*9+28*1.11=1.11*8*9+1.11*28=1.11*(72+28)+111

答

8.88×9+28×1.11
＝1.11×8×9+28×1.11
＝1.11×（72+28）
＝1.11×100
＝111