38.2x0.28+3.87x6.1+0.382x11 简便计算
问题描述:
38.2x0.28+3.87x6.1+0.382x11 简便计算
答
38.2×0.28+3.82×6.1+0.382×11
=38.2×0.28+38.2×0.61+38.2×0.11
=38.2×(0.28+0.61+0.11)
=38.2×1
=38.2