speed-grid/addition-5x5/medium · セット 6
2 problems
名前：
クラス:
日付：
1
4×4 addition speed grid. Row: [10, 7, 5, 3] × Col: [9, 6, 7, 1]
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2
4×4 addition speed grid. Row: [5, 7, 10, 6] × Col: [2, 5, 6, 7]
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