Seek the multiplication formula of 1000 elementary school grade two mathematics urgently.
5x 5 6x 4 9x 6 8x 5 5x 4 2x 6 1x 9 0x 90 2x 3 6x 6 8x 4 7x 3 30x 0 1 2 30x 2 60x 9 36x 2 25x 3 35x 6×4 = 2×6 = 5×6 = 6×6 = 3×3 = 5×5 = 2×7 = 3×7 = 4×7 = 5×7 = 6×7 = 7×7 = 1×8 = 2×8