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题型:单选题 题类:常考题 难易度:容易
用6的乘法口诀求商1926 10
54{#blank#}1{#/blank#}2×3=60 9×7{#blank#}2{#/blank#}30=33
28{#blank#}3{#/blank#}(13-9)=7 5{#blank#}4{#/blank#}(9-5)=20
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