【1】（7/9+5/6）除以1/18 【2】1/5*4除以2/5

来源：学生作业学帮网编辑：学帮网时间：2024/04/29 10:49:23

【1】（7/9+5/6）除以1/18
=7/9×18+5/6×18
=14+15
=29
【2】1/5*4除以2/5
=1/5×4×5/2
=2
回答完毕

【1】（7/9+5/6）除以1/18
=(7/9+5/6)x18
=14+15
=29
【2】1/5*4除以2/5
=(4/5)x(5/2)
=2