379×1.038-3.79×3.8简便计算
问题描述：
379×1.038-3.79×3.8简便计算
答
379×1.038-3.79×3.8
=3.79×103.8-3.79×3.8
=3.79×(103.8-3.8)
=3.79×100
=379