expert 4×4 Set 21 Form Exercise

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

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Answer: Row 8: [12, 12, 13]; Row 8: [12, 12, 13]; Row 2: [6, 6, 7]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 8
  • 8
  • 2
ColHeaders
  • 4
  • 4
  • 5
Cells
  • [12,12,13]
  • [12,12,13]
  • [6,6,7]

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

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Answer: Row 3: [7, 1, 7]; Row 3: [7, 1, 7]; Row 7: [3, 5, 3]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 3
  • 3
  • 7
ColHeaders
  • 10
  • 2
  • 10
Cells
  • [7,1,7]
  • [7,1,7]
  • [3,5,3]