hard 4×4 Set 77 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 6, 8, 9], Column headers: [2, 3, 3, 7]

Show answer

Answer: Row 8: [6, 5, 5, 1]; Row 6: [4, 3, 3, 1]; Row 8: [6, 5, 5, 1]; Row 9: [7, 6, 6, 2]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 8
  • 6
  • 8
  • 9
ColHeaders
  • 2
  • 3
  • 3
  • 7
Cells
  • [6,5,5,1]
  • [4,3,3,1]
  • [6,5,5,1]
  • [7,6,6,2]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 9, 4, 5], Column headers: [4, 4, 3, 4]

Show answer

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

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