magic-square/4x4/expert · 套题 67

4 problems
1
Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [17 _ _ | 10 _ 18 | 15 _ 11] =
2
Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [15 _ 17 | _ _ 12 | 11 18 _] =
3
Complete the magic square. Each row, column, and diagonal must sum to 15. Grid: [2 _ _ | 9 5 _ | 4 3 _] =
4
Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [_ _ 13 | 16 14 _ | 15 _ 17] =
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