12 3 4 x 15 July 8, 2019 16 32 64 128 3x2 15x 12 3 x 4 12 x 3 )= 15x 4 12 3 x 4 5 15 3 4 x 12 15 as a fraction 12 x 4 15 3 7 12 3 x 4 5 chia x 15 15 3 4 x 12 frame 15 3 4 x 12 1 2 12 6 2 x 4 15 3 2 3 x 3 4 x 12 15 3 4 5 12 x 16 15 10 4 3 19 x 15 12 12 15 3 x 6 4 Simplify 15 12 3 6 x 4 Tìm x biết 12 3 x 4 5 x 15