Question

已知m分之a=n分之b=2,m=不等于0,n不等于0,求（1）m+分之a+b;(2)2m-3n分之2a-3b

Answer 1

a/m=b/n=2

a=2m

b=2n

(1)

(a+b)/(m+n)

=(2m+2n)/(m+n)

=2(m+n)/(m+n)

=2

(2)

(2)2m-3n分之2a-3b

=(2a-3b)/(2m-3n)

=(2*2m-3*2n)/(2m-3n)

=2(2m-3n)/(2m-3n)

=2

如果您认可我的回答,请点击“采纳为满意答案”,祝学习进步!