-150(-1/8)-25*0.125+50*(-1/4)
问题描述:
-150(-1/8)-25*0.125+50*(-1/4)
答
-150(-1/8)-25*0.125+50*(-1/4)
=150*1/8-25*1/8-100*1/8
=1/8(150-25-100)
=1/8*25
=25/8