speed-grid/addition-5x5/easy · 套题 3
2 problems
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1
4×4 addition speed grid. Row: [8, 10, 5, 6] × Col: [6, 2, 3, 8]
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2
4×4 addition speed grid. Row: [4, 8, 7, 2] × Col: [5, 4, 6, 10]
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