120*[1/8-(1/5-6/1)]怎么简算

问题描述:

120*[1/8-(1/5-6/1)]怎么简算

120*[1/8-(1/5-6/1)]
=120*[1/8-1/5+6/1]
=120x1/8-120x1/5+120x1/6
=15-24+20
=11