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题型:填空题 题类:常考题 难易度:容易
3、4的乘法口诀(2——5的乘法口诀) 1562
56,52,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#},{#blank#}5{#/blank#},{#blank#}6{#/blank#},{#blank#}7{#/blank#},{#blank#}8{#/blank#},{#blank#}9{#/blank#},{#blank#}10{#/blank#},8,4,0.
5×{#blank#}1{#/blank#}=45
9×{#blank#}2{#/blank#}=45
2×2{#blank#}1{#/blank#}2+2 3×3+3{#blank#}2{#/blank#}4×4-4
6×1{#blank#}3{#/blank#}6+1 5×3+10{#blank#}4{#/blank#}3×5+7
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