(只列式,不计算)男生人数是女生人数的3/5, (1)女生是男生的百分之几?_ (2)男生比女生少百分之几?_ (3)女生比男生多百分之几?_.

问题描述:

(只列式,不计算)男生人数是女生人数的3/5,
(1)女生是男生的百分之几?______  
(2)男生比女生少百分之几?______
(3)女生比男生多百分之几?______.

(1)5÷3×100%,
≈1.667×100%,
=166.7%,
答:女生是男生的166.7%;
(2)(5-3)÷5×100%,
=2÷5×100%,
=40%,
答:男生比女生少40%;
(3)(5-3)÷3×100%,
=2÷3×100%,
≈66.7%,
答:女生比男生多66.7%,
故答案为:166.7%,40%,66.7%.