giải pt
a)2x-10/4=5+2-3x/6
b)1/(x-1)=2x^2-5/(x^3-10=4/(x2+x+1)
c)15x/(x^2+3x-4)-1=12.(1/(x+4)+1/(3x-3))
d)x+1/9+x+2/8=x+3/7+x+4/6
e)x/2012+x+1/2013+x+2/2014+x+3/2015+x+4/2016=5
Loga
Sinh Học lớp 12
