题型：单选题 题类：常考题 难易度：普通
3、4的乘法口诀(2——5的乘法口诀)1610 10
× | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
2 | {#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#} |
5×1{#blank#}1{#/blank#}0＋5 | 7×2{#blank#}2{#/blank#}2×7 | 3＋3{#blank#}3{#/blank#}2×3 |
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