作业帮16.12×9.9+1.612用简便算法怎麽计算?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 05:52:45
16.12×9.9+1.612用简便算法怎麽计算?
16.12×9.9+1.612用简便算法怎麽计算?
16.12×9.9+1.612用简便算法怎麽计算?
16.12×9.9+1.612
=16.12×9.9+16.12×0.1
=16.12×(9.9+0.1)
=16.12×10
=161.2
16.12×9.9+1.612
=16.12×10 - 1.612 +1.612
=161.2
=16.12*9.9+16.12*0.1 =16.12(9.9+0.1) =16.12*10 =161.2