五又五分之一加0.2减十五分之七等于多少
问题描述:
五又五分之一加0.2减十五分之七等于多少
答
26/5 + 1/5 - 7/15 = 27/5 - 7/15 = 81/15 - 7/15 = 74/15 = 4又14/15
五又五分之一加0.2减十五分之七等于多少
26/5 + 1/5 - 7/15 = 27/5 - 7/15 = 81/15 - 7/15 = 74/15 = 4又14/15