speed-grid/division-5x5/medium · Sett 9
2 problems
Navn:
Klasse:
Dato:
1
4×4 addition speed grid. Row: [1, 9, 8, 10] × Col: [9, 3, 2, 5]
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2
4×4 addition speed grid. Row: [9, 3, 4, 5] × Col: [2, 4, 8, 7]
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