36又7/2*(-8) 简便方法怎么算?
问题描述:
36又7/2*(-8) 简便方法怎么算?
答
=36×(-8)+7/2×(-8)
=-288-7/2×(7+1)
=-288-2-7/2
=-290又7/2
36又7/2*(-8) 简便方法怎么算?
=36×(-8)+7/2×(-8)
=-288-7/2×(7+1)
=-288-2-7/2
=-290又7/2