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