1/3m-3/2n-6/5n-1/6m,其中m=6,n=2,求代数式的值

问题描述:

1/3m-3/2n-6/5n-1/6m,其中m=6,n=2,求代数式的值

1/3m-3/2n-6/5n-1/6m
=1/6m-3/10n
=1/6×6-3/10×2
=1-3/5
=2/5