speed-grid/addition-5x5/medium · Série 9
2 problems
Nom:
Classe:
Date:
1
4×4 addition speed grid. Row: [7, 5, 6, 8] × Col: [1, 4, 3, 8]
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2
4×4 addition speed grid. Row: [8, 10, 3, 6] × Col: [2, 1, 3, 8]
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