hard 4×4 Set 28 Form Exercise

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

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Answer: Row 4: [3, 3, 1, 2]; Row 2: [5, 5, 3, 4]; Row 7: [0, 0, 2, 1]; Row 5: [2, 2, 0, 1]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 4
  • 2
  • 7
  • 5
ColHeaders
  • 7
  • 7
  • 5
  • 6
Cells
  • [3,3,1,2]
  • [5,5,3,4]
  • [0,0,2,1]
  • [2,2,0,1]

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 10, 10, 3], Column headers: [1, 8, 1, 9]

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Answer: Row 4: [5, 12, 5, 13]; Row 10: [11, 18, 11, 19]; Row 10: [11, 18, 11, 19]; Row 3: [4, 11, 4, 12]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 4
  • 10
  • 10
  • 3
ColHeaders
  • 1
  • 8
  • 1
  • 9
Cells
  • [5,12,5,13]
  • [11,18,11,19]
  • [11,18,11,19]
  • [4,11,4,12]