hard 4×4 Set 78 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 6, 9, 5], Column headers: [6, 2, 6, 3]

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Answer: Row 6: [0, 4, 0, 3]; Row 6: [0, 4, 0, 3]; Row 9: [3, 7, 3, 6]; Row 5: [1, 3, 1, 2]

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 10, 1, 3], Column headers: [2, 9, 3, 1]

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Answer: Row 9: [11, 18, 12, 10]; Row 10: [12, 19, 13, 11]; Row 1: [3, 10, 4, 2]; Row 3: [5, 12, 6, 4]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 9
  • 10
  • 1
  • 3
ColHeaders
  • 2
  • 9
  • 3
  • 1
Cells
  • [11,18,12,10]
  • [12,19,13,11]
  • [3,10,4,2]
  • [5,12,6,4]