speed-grid/addition-5x5/hard · Conjunto 5
2 problems
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1
4×4 addition speed grid. Row: [1, 10, 2, 8] × Col: [3, 9, 8, 7]
=
2
4×4 addition speed grid. Row: [10, 1, 7, 2] × Col: [1, 8, 7, 10]
=