expert 4×4 Set 52 Form Exercise

Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 1, 7], Column headers: [6, 2, 7]

Show answer

Answer: Row 2: [8, 4, 9]; Row 1: [7, 3, 8]; Row 7: [13, 9, 14]

SubType
speed-grid
Difficulty
expert
Operation
+
RowHeaders
  • 2
  • 1
  • 7
ColHeaders
  • 6
  • 2
  • 7
Cells
  • [8,4,9]
  • [7,3,8]
  • [13,9,14]

Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [1, 2, 6], Column headers: [5, 3, 9]

Show answer

Answer: Row 1: [4, 2, 8]; Row 2: [3, 1, 7]; Row 6: [1, 3, 3]

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