hard 4×4 Set 34 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 6, 1, 2], Column headers: [8, 6, 2, 9]

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Answer: Row 1: [9, 7, 3, 10]; Row 6: [14, 12, 8, 15]; Row 1: [9, 7, 3, 10]; Row 2: [10, 8, 4, 11]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 1
  • 6
  • 1
  • 2
ColHeaders
  • 8
  • 6
  • 2
  • 9
Cells
  • [9,7,3,10]
  • [14,12,8,15]
  • [9,7,3,10]
  • [10,8,4,11]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 4, 6, 3], Column headers: [5, 2, 10, 8]

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Answer: Row 7: [2, 5, 3, 1]; Row 4: [1, 2, 6, 4]; Row 6: [1, 4, 4, 2]; Row 3: [2, 1, 7, 5]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 7
  • 4
  • 6
  • 3
ColHeaders
  • 5
  • 2
  • 10
  • 8
Cells
  • [2,5,3,1]
  • [1,2,6,4]
  • [1,4,4,2]
  • [2,1,7,5]