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题型:单选题 题类:常考题 难易度:困难
混合运算和两步应用题2976 10
7×{#blank#}1{#/blank#}<64 {#blank#}2{#/blank#}×8<21+16
{#blank#}3{#/blank#}×9<72-23 16+27>6×{#blank#}4{#/blank#}
70-38-13>2×{#blank#}5{#/blank#} 38+20-25>{#blank#}6{#/blank#}×7
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