hard 4×4 Set 23 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 9, 4, 6], Column headers: [4, 3, 10, 7]

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Answer: Row 9: [5, 6, 1, 2]; Row 9: [5, 6, 1, 2]; Row 4: [0, 1, 6, 3]; Row 6: [2, 3, 4, 1]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 9
  • 9
  • 4
  • 6
ColHeaders
  • 4
  • 3
  • 10
  • 7
Cells
  • [5,6,1,2]
  • [5,6,1,2]
  • [0,1,6,3]
  • [2,3,4,1]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [7, 9, 3, 10], Column headers: [10, 9, 1, 3]

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Answer: Row 7: [70, 63, 7, 21]; Row 9: [90, 81, 9, 27]; Row 3: [30, 27, 3, 9]; Row 10: [100, 90, 10, 30]

SubType
speed-grid
Difficulty
hard
Operation
×
RowHeaders
  • 7
  • 9
  • 3
  • 10
ColHeaders
  • 10
  • 9
  • 1
  • 3
Cells
  • [70,63,7,21]
  • [90,81,9,27]
  • [30,27,3,9]
  • [100,90,10,30]