试题 试卷
题型:单选题 题类:常考题 难易度:普通
积的变化 4678
9.24×0.9{#blank#}1{#/blank#}9.24 1×0.68{#blank#}2{#/blank#}0.68
3.6×1.01{#blank#}3{#/blank#}3.6 2.34×1.5{#blank#}4{#/blank#}23.4×0.15
40×5+3 {#blank#}1{#/blank#}40×(5+3)
144-24÷6 {#blank#}2{#/blank#}(144-24)÷6
137-75-25{#blank#}3{#/blank#}137-(75-25)
60÷2×5{#blank#}4{#/blank#}60÷(2×5)
30×23{#blank#}5{#/blank#}31×23 15×20{#blank#}6{#/blank#}21×15
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