1
Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [6, 8, 10, 6], Column headers: [6, 5, 2, 9] =
2
Speed Grid (+): Fill in each cell by applying the operation to the row and column headers. Row headers: [2, 10, 2, 4], Column headers: [7, 7, 3, 2] =