hard 4×4 Set 85 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 2, 7, 1], Column headers: [5, 1, 1, 1]

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

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 10, 10, 8], Column headers: [7, 4, 4, 2]

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Answer: Row 3: [10, 7, 7, 5]; Row 10: [17, 14, 14, 12]; Row 10: [17, 14, 14, 12]; Row 8: [15, 12, 12, 10]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 10
  • 10
  • 8
ColHeaders
  • 7
  • 4
  • 4
  • 2
Cells
  • [10,7,7,5]
  • [17,14,14,12]
  • [17,14,14,12]
  • [15,12,12,10]