-287/8÷7 (3/4-1/2-1/3)×(-60) (-5)÷(-15)÷(-3)
问题描述:
-287/8÷7 (3/4-1/2-1/3)×(-60) (-5)÷(-15)÷(-3)
= = =
= = =
4/5×(-5/13)-3/5÷(-13/5)
=
=
要算试和答案
答
-287/8÷7 =-41/8(3/4-1/2-1/3)×(-60)=(-1/12)×(-60)=5 (-5)÷(-15)÷(-3)=1/5÷(-3)=-1/15 4/5×(-5/13)-3/5÷(-13/5...