speed-grid/addition-5x5/easy · 세트 9
2 problems
이름:
학급:
날짜:
1
4×4 addition speed grid. Row: [9, 1, 8, 5] × Col: [10, 5, 3, 8]
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2
4×4 addition speed grid. Row: [2, 1, 10, 6] × Col: [7, 10, 3, 8]
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