expert 5×5 Set 81 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [10, 4, 8], Column headers: [7, 3, 1]

Show answer

Answer: Row 10: [17, 13, 11]; Row 4: [11, 7, 5]; Row 8: [15, 11, 9]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 10
  • 4
  • 8
ColHeaders
  • 7
  • 3
  • 1
Cells
  • [17,13,11]
  • [11,7,5]
  • [15,11,9]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 9, 7], Column headers: [3, 5, 2]

Show answer

Answer: Row 2: [6, 10, 4]; Row 9: [27, 45, 18]; Row 7: [21, 35, 14]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 2
  • 9
  • 7
ColHeaders
  • 3
  • 5
  • 2
Cells
  • [6,10,4]
  • [27,45,18]
  • [21,35,14]