speed-grid/addition-4x4/medium · Sarja 10
2 problems
Nimi:
Luokka:
Päivämäärä:
1
4×4 addition speed grid. Row: [5, 6, 9, 10] × Col: [9, 1, 3, 10]
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2
4×4 addition speed grid. Row: [10, 6, 9, 1] × Col: [9, 8, 3, 7]
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