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2.OA.C.4

数组和总计

使用加法求出矩形阵列中排列的对象的总数。

年级水平: 二年级 · 领域: 运算和代数思维

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相关技能

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