(1/3-3/7+5/6)÷(-1/42)*3/62 怎么算?
问题描述:
(1/3-3/7+5/6)÷(-1/42)*3/62 怎么算?
答
(1/3-3/7+5/6)÷(-1/42)*3/62
=(1/3-3/7+5/6)×(-42)*3/62
=[-42*1/3+42*3/7-42*5/6]*3/62
=(-14+18-35)*3/62
=-31*5362
=-3/2