5.4X5.4+3.6X5.4人简便运算
问题描述:
5.4X5.4+3.6X5.4人简便运算
答
5.4×5.4 + 3.6×5.4
= 5.4×(5.4 + 3.6)
= 5.4×9
= 48.6