expert 4×4 Set 71 Form Exercise

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 5, 3], Column headers: [9, 2, 9]

Show answer

Answer: Row 9: [81, 18, 81]; Row 5: [45, 10, 45]; Row 3: [27, 6, 27]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 9
  • 5
  • 3
ColHeaders
  • 9
  • 2
  • 9
Cells
  • [81,18,81]
  • [45,10,45]
  • [27,6,27]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 3, 8], Column headers: [6, 1, 5]

Show answer

Answer: Row 3: [3, 2, 2]; Row 3: [3, 2, 2]; Row 8: [2, 7, 3]

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