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题型:填空题 题类:常考题 难易度:容易
用7的乘法口诀求商1946 10
× =25 ={#blank#}1{#/blank#}
× =35 ={#blank#}2{#/blank#}
{#blank#}1{#/blank#}
□×△=42
5×□= 30
□={#blank#}1{#/blank#}
△={#blank#}2{#/blank#}
○={#blank#}3{#/blank#}
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