32*2.5*12.5% 7/9*4/11+7/9/11/4 要简算的哦!
问题描述：
32*2.5*12.5% 7/9*4/11+7/9/11/4 要简算的哦!
答
32*2.5*12.5%
=4×2.5×（8×12.5%）
=10×1
=10
7/9*4/11+7/9/11/4
=7/9×（4/11+7/11）
=7/9×1
=7/9