3 7 x 5 12 July 8, 2019 16 32 64 128 3 7 x 5 12 as a fraction 12 6 3 x =- 7 5 8 7 x 3 5 11 12 2 3 1 7 x 5 6 1 12 2 3 x 5 8 7 12 5 3 7 x 12 1 4 7 18 x 5 12 3 2 3 8 x 3 7 x 12 5 3 x 5 )= 7x 12 12x 7 3 x 5 )- 28 X 7 7x 5 12x 3 7 3 3 x 5 19 12 3 x 4 7 5 12 4 Tính nhanh 8 x 3 7 x 12 5 3 7 x 12 2 x 5
