Speed Grid Multiplication 4x4 Medium · Set 5
2 problems
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1
4×4 addition speed grid. Row: [10, 5, 7, 1] × Col: [6, 9, 1, 10]
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2
4×4 addition speed grid. Row: [7, 10, 4, 9] × Col: [5, 7, 8, 10]
=