speed-grid/addition-5x5/easy · Série 5
2 problems
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Classe:
Date:
1
4×4 addition speed grid. Row: [4, 9, 1, 10] × Col: [1, 5, 3, 6]
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2
4×4 addition speed grid. Row: [10, 4, 9, 8] × Col: [2, 6, 4, 5]
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