Speed Grid Multiplication 4x4 Medium · Set 2
2 problems
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1
4×4 addition speed grid. Row: [1, 5, 4, 7] × Col: [6, 8, 4, 1]
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2
4×4 addition speed grid. Row: [4, 9, 8, 3] × Col: [1, 3, 9, 6]
=