expert 4×4 Set 61 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 8, 9], Column headers: [3, 7, 3]

Show answer

Answer: Row 1: [4, 8, 4]; Row 8: [11, 15, 11]; Row 9: [12, 16, 12]

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

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

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

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