9 4 * 2 7 * 3 8 July 8, 2019 16 32 64 128 9 4 2 7 3 8 4 2 8 x 9 7 3 4 9 x 3 8 x 2 7 x 1 6 2 4 7 4 5x3 9 ) - 3 40 8 ) 4 9 of 3 8 of 2 7 of 294 3(8-4)^2+7 times 9 Tìm x x - 7/8 = 9/4 - 2/3 3 2 4 7 x 9 8 0125