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题型:填空题 题类:常考题 难易度:普通
用9的乘法口诀求商1985 10
28÷{#blank#}2{#/blank#}=4
28÷{#blank#}3{#/blank#}=7
3×{#blank#}1{#/blank#}=27 {#blank#}2{#/blank#}×8=40 6×{#blank#}3{#/blank#}=42 {#blank#}4{#/blank#}×7=42
2×{#blank#}5{#/blank#}=18 5×{#blank#}6{#/blank#}=35 4×5={#blank#}7{#/blank#} 6×{#blank#}8{#/blank#}=54
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