expert 3×3 Set 20 Form Exercise

Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [_ 12 13 | 10 _ 18 | _ 16 _]

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Answer: 17 12 13 | 10 14 18 | 15 16 11

SubType
magic-square
Difficulty
expert
Grid
  • [null,12,13]
  • [10,null,18]
  • [null,16,null]
SolvedGrid
  • [17,12,13]
  • [10,14,18]
  • [15,16,11]
MagicConstant
42

Complete the magic square. Each row, column, and diagonal must sum to 24. Grid: [_ 12 7 | 10 _ _ | 9 _ 11]

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Answer: 5 12 7 | 10 8 6 | 9 4 11

SubType
magic-square
Difficulty
expert
Grid
  • [null,12,7]
  • [10,null,null]
  • [9,null,11]
SolvedGrid
  • [5,12,7]
  • [10,8,6]
  • [9,4,11]
MagicConstant
24

Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [_ 12 _ | _ 14 10 | _ 16 15]

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Answer: 13 12 17 | 18 14 10 | 11 16 15

SubType
magic-square
Difficulty
expert
Grid
  • [null,12,null]
  • [null,14,10]
  • [null,16,15]
SolvedGrid
  • [13,12,17]
  • [18,14,10]
  • [11,16,15]
MagicConstant
42

Complete the magic square. Each row, column, and diagonal must sum to 42. Grid: [_ _ _ | 10 14 18 | 17 _ 13]

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Answer: 15 16 11 | 10 14 18 | 17 12 13

SubType
magic-square
Difficulty
expert
Grid
  • [null,null,null]
  • [10,14,18]
  • [17,null,13]
SolvedGrid
  • [15,16,11]
  • [10,14,18]
  • [17,12,13]
MagicConstant
42