hard 4×4 Set 80 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 9, 10, 8], Column headers: [10, 6, 1, 5]

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Answer: Row 1: [9, 5, 0, 4]; Row 9: [1, 3, 8, 4]; Row 10: [0, 4, 9, 5]; Row 8: [2, 2, 7, 3]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 1
  • 9
  • 10
  • 8
ColHeaders
  • 10
  • 6
  • 1
  • 5
Cells
  • [9,5,0,4]
  • [1,3,8,4]
  • [0,4,9,5]
  • [2,2,7,3]

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

Show answer

Answer: Row 5: [2, 2, 3, 3]; Row 8: [5, 5, 0, 0]; Row 1: [2, 2, 7, 7]; Row 3: [0, 0, 5, 5]

SubType
speed-grid
Difficulty
hard
Operation
-
RowHeaders
  • 5
  • 8
  • 1
  • 3
ColHeaders
  • 3
  • 3
  • 8
  • 8
Cells
  • [2,2,3,3]
  • [5,5,0,0]
  • [2,2,7,7]
  • [0,0,5,5]