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: [3, 9, 8], Column headers: [4, 8, 3]

Show answer

Answer: Row 3: [1, 5, 0]; Row 9: [5, 1, 6]; Row 8: [4, 0, 5]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 3
  • 9
  • 8
ColHeaders
  • 4
  • 8
  • 3
Cells
  • [1,5,0]
  • [5,1,6]
  • [4,0,5]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 8, 6], Column headers: [2, 2, 3]

Show answer

Answer: Row 2: [0, 0, 1]; Row 8: [6, 6, 5]; Row 6: [4, 4, 3]

SubType
speed-grid
Difficulty
expert
Operation
-
RowHeaders
  • 2
  • 8
  • 6
ColHeaders
  • 2
  • 2
  • 3
Cells
  • [0,0,1]
  • [6,6,5]
  • [4,4,3]