hard 4×4 Set 86 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [5, 2, 2, 5], Column headers: [4, 6, 1, 8]

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

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 3, 6, 1], Column headers: [3, 7, 10, 7]

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Answer: Row 10: [13, 17, 20, 17]; Row 3: [6, 10, 13, 10]; Row 6: [9, 13, 16, 13]; Row 1: [4, 8, 11, 8]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 3
  • 6
  • 1
ColHeaders
  • 3
  • 7
  • 10
  • 7
Cells
  • [13,17,20,17]
  • [6,10,13,10]
  • [9,13,16,13]
  • [4,8,11,8]