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