speed-grid/addition-5x5/easy · Sæt 6
2 problems
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1
4×4 addition speed grid. Row: [10, 5, 9, 8] × Col: [8, 1, 10, 6]
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2
4×4 addition speed grid. Row: [9, 6, 4, 5] × Col: [5, 8, 7, 4]
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