计算(1-1又1/2-3/8+7/12)乘(-24)除(-1/2)
问题描述:
计算(1-1又1/2-3/8+7/12)乘(-24)除(-1/2)
答
=(1-3/2-3/8+7/12)×(24×2)
=(1-3/2-3/8+7/12)×48
=1×48-3/2×48-3/8×48+7/12×48
=48-72-18+28
=-14