hard 5×5 Set 81 Form Exercise

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 5, 7, 9], Column headers: [3, 3, 5, 6]

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

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

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [3, 6, 3, 8], Column headers: [9, 1, 6, 8]

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Answer: Row 3: [12, 4, 9, 11]; Row 6: [15, 7, 12, 14]; Row 3: [12, 4, 9, 11]; Row 8: [17, 9, 14, 16]

SubType
speed-grid
Difficulty
hard
Operation
+
RowHeaders
  • 3
  • 6
  • 3
  • 8
ColHeaders
  • 9
  • 1
  • 6
  • 8
Cells
  • [12,4,9,11]
  • [15,7,12,14]
  • [12,4,9,11]
  • [17,9,14,16]