(负70又7分之5)除以5
问题描述:
(负70又7分之5)除以5
答
(-70又 5/7)÷5
=-(490+5)/7÷35/7
=-495/7÷35/7
=-99/7
答
(负70又7分之5)除以5
=负7分之495*5分之1
=负7分之99