(24/19+16/17)x12.5%+15/17的简便计算

问题描述:

(24/19+16/17)x12.5%+15/17的简便计算

=24/19*1/8+16/17*1/8+15/17
=3/19+2/17+15/17
=3/19+(2/17+15/17)
=3/19+1
=1又19分之3