expert 4×4 Set 91 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [9, 7, 2], Column headers: [8, 8, 8]

Show answer

Answer: Row 9: [17, 17, 17]; Row 7: [15, 15, 15]; Row 2: [10, 10, 10]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 9
  • 7
  • 2
ColHeaders
  • 8
  • 8
  • 8
Cells
  • [17,17,17]
  • [15,15,15]
  • [10,10,10]

Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 10, 9], Column headers: [9, 6, 4]

Show answer

Answer: Row 8: [72, 48, 32]; Row 10: [90, 60, 40]; Row 9: [81, 54, 36]

SubType
speed-grid
Difficulty
expert
Operation
×
RowHeaders
  • 8
  • 10
  • 9
ColHeaders
  • 9
  • 6
  • 4
Cells
  • [72,48,32]
  • [90,60,40]
  • [81,54,36]