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