expert 4×4 Set 86 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 1, 8], Column headers: [3, 5, 9]

Show answer

Answer: Row 2: [5, 7, 11]; Row 1: [4, 6, 10]; Row 8: [11, 13, 17]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 2
  • 1
  • 8
ColHeaders
  • 3
  • 5
  • 9
Cells
  • [5,7,11]
  • [4,6,10]
  • [11,13,17]

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

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Answer: Row 9: [63, 81, 27]; Row 8: [56, 72, 24]; Row 1: [7, 9, 3]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 9
  • 8
  • 1
ColHeaders
  • 7
  • 9
  • 3
Cells
  • [63,81,27]
  • [56,72,24]
  • [7,9,3]