Question

7.56×9.9用简便方法计算？

Answer 1

7.56×9.9
=7.56×10-0.1×7.56
=75.6-0.756
=74.844
所以这也可以通过上面的简便计算，得到相应的答案。

Answer 2

7.56×9.9
=7.56*（10-0.1）
=7.56*10-7.56*0.1
=75.6-0.756
=74.844

Answer 3

7.56*9.9
=7.56*（10-0.1）
=7.56*10-7.56*0.1
=75.6-0.756
=74.844

Answer 4

简便计算如下步骤
7.56x9.9
=7.56x10-0.756
=75.6-0.756
=74.844
以上为简单算法过程

Answer 5

解:简便计算方法如下
7.56×（10-0.1）
=7.56×10-7.56×0.1
=75.6-0.756
=74.844