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题型:填空题 题类:常考题 难易度:困难
6的乘法口诀1776 10
{#blank#}1{#/blank#}×{#blank#}2{#/blank#}=36
{#blank#}3{#/blank#}×{#blank#}4{#/blank#}=36
4,9,16,25{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#}
{#blank#}1{#/blank#}
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