请在下图中圈出3×7 7×3，并数出·的数量是否一样 ···························································································

题型：计算题题类：易错题难易度：普通

北师大版数学二年级上册第三单元第三节有多少点子同步练习

请在下图中圈出3×7 7×3，并数出·的数量是否一样

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举一反三

7×{#blank#}1{#/blank#}=35

6×{#blank#}2{#/blank#}=42

2×5{#blank#}1{#/blank#}5＋2 2＋2{#blank#}2{#/blank#}2×2

2×6{#blank#}3{#/blank#}3×4 6－6{#blank#}4{#/blank#}0

4×3{#blank#}5{#/blank#}90－78 34＋2{#blank#}6{#/blank#}64

3×5{#blank#}7{#/blank#}2×9 9×4{#blank#}8{#/blank#}2×8

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