一又四分之三减八分之七减十二分之七的差除以负八分之七加负三分之八

Question

如题所述

Answer 1

(1又3/4-7/8-7/12)÷(-7/8)+(-8/3)
=(7/4-7/8-7/12)x(-8/7)-8/3
=7/24x(-8/7)-8/3
=-1/3-8/3
=-3本回答被网友采纳