7.2×2.18-72%×11.8 简便运算
问题描述：
7.2×2.18-72%×11.8 简便运算
答
7.2×2.18-72%×11.8
=7.2×2.18-0.72×11.8
=7.2×(2.18-1.18)
=7.2