问题 填空题

甲、乙两数比是5:3,乙数比甲数少______%,乙数占两数和的______%.

答案

设甲数是5,那么乙数就是3;

(5-3)÷5,

=2÷5,

=40%,

3÷(5+3),

=3÷8,

=37.5%

答:乙数比甲数少40%,乙数占两数和的37.5%.

故答案为:40,37.5.

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