15 5 3 2 4 July 8, 2019 16 32 64 128 15 3 2 4 x 5 15 3 4 divided 2 5 8 15 1 x 3 2 4 5 2 3 4 15 x 5 8 Mcm tra 15 3 5 2 4 15 2x 5 4x 3 2 0 15 y 2 )= 3 4y 5 15 1 x 3 2 4 5 tìm x 5 3 2 − x )= 15 − 4x 15 2 3 2x )+ 5 x 4 5 a 1 )- 15 3 a 2 )+ 4 15 2 3 divided by 4 5 6 3 42 x )+ 15 5 2 3.3 15 3x 7x 2 4x 3 5 4x 15 3 4 divide 2 5 8