设2a-3b=0,则a/b=_,a−bb=_.
问题描述:
设2a-3b=0,则
=______,a b
=______. a−b b
答
∵2a-3b=0,
∴2a=3b,
∴
=a b
;3 2
=a−b b
-1=a b
-1=3 2
.1 2
故答案为:
;3 2
.1 2