12.5×(36-7.2)÷3.6 简便运算
问题描述:
12.5×(36-7.2)÷3.6 简便运算
答
12.5×(36-7.2)÷3.6
(12.5 x 36 - 12.5 x 7.2) ÷ 3.6
12.5 x 36 ÷ 3.6 - 12.5 x 7.2 ÷ 3.6
12.5 x 10 -12.5 x 2
12.5 x (10 - 2)
12.5 x 8
100