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3.OA.A.1

理解乘法

将整数的乘积解释为 5 × 7 作为 5 组 7 的总和。

年级水平: 三年级 · 领域: 运算和代数思维

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与 0 对齐的游戏

通过这些免费游戏来练习这个标准。

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该领域的更多标准

运算和代数思维