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题型:单选题 题类:常考题 难易度:容易
分数除以整数(不含带分数)7289
= = = =
× {#blank#}1{#/blank#} 9× {#blank#}2{#/blank#} ÷9
{#blank#}3{#/blank#} ÷ 9× {#blank#}4{#/blank#} ×9
{#blank#}2{#/blank#}
0.5的倒数5的倒数
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