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