41又1/3×3/4+51又1/4×4/5+61又1/5×5/6简算
问题描述:
41又1/3×3/4+51又1/4×4/5+61又1/5×5/6简算
答
(124/3)x(3/4)+(205/4)x(4/5)+(306/5)x(5/6)
=31+41+51
=123