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题型:单选题 题类:常考题 难易度:普通
分数和百分数及运算8346 10
12÷ = 15× = × = ÷ =
× = ÷25= ÷ = 3.6× =
{#blank#}1{#/blank#} × ÷ {#blank#}2{#/blank#} ÷ {#blank#}3{#/blank#}
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