5 - ( x- 6 ) = 4 ( 3 - 2x )
7 - ( 2x + 4 ) = -( x+ 4 )
x ( x + 3 ) ^2 - 3x = ( x + 2 ) ^3 +1
12 - 2 ( 1 - x ) ^2 = 4 ( x - 2) - ( x - 3 ) ( 2x - 5 )
Loga
Sinh Học lớp 12
