expert 4×4 Set 81 Form Exercise

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

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Answer: Row 10: [70, 30, 70]; Row 6: [42, 18, 42]; Row 2: [14, 6, 14]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 10
  • 6
  • 2
ColHeaders
  • 7
  • 3
  • 7
Cells
  • [70,30,70]
  • [42,18,42]
  • [14,6,14]

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

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Answer: Row 2: [10, 14, 14]; Row 5: [25, 35, 35]; Row 4: [20, 28, 28]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 2
  • 5
  • 4
ColHeaders
  • 5
  • 7
  • 7
Cells
  • [10,14,14]
  • [25,35,35]
  • [20,28,28]