5 x 9 40 July 8, 2019 16 32 64 128 5 * 9 x 9 x 2 406 5 6 x 2 3 )=- 40 9 5 9 x 40 32 5 54 x 9 40 5 54 x 9 40 as a fraction 11 5 x 40 9 5 9 x 32 40 81 5 x − 3 4 )= 9 40 9 5 x 400 5 6 9 15 x 40 X 5 y 9 và xy 405 400 32 x 5 9
