hard 4×4 Set 58 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 9, 9, 3], Column headers: [8, 8, 4, 10]

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Answer: Row 10: [18, 18, 14, 20]; Row 9: [17, 17, 13, 19]; Row 9: [17, 17, 13, 19]; Row 3: [11, 11, 7, 13]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 10
  • 9
  • 9
  • 3
ColHeaders
  • 8
  • 8
  • 4
  • 10
Cells
  • [18,18,14,20]
  • [17,17,13,19]
  • [17,17,13,19]
  • [11,11,7,13]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 3, 5, 2], Column headers: [3, 1, 9, 6]

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

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