102×0.87用简便计算怎么算

102×0.87用简便计算怎么算
2024-12-02 04:15:44
推荐回答(2个)
回答1:

原式

=(100+2)x0.87
=100x0.87+2x0.87
=87+1.74
=88.74

供参考。

回答2:

102x0.87
=100x0.87+2x0.87
=87+1.74
=88.74