Question

 thực hiện phép tính: a, x/3x+1 + 2x+1/ 3x+1

 

Answer 1

\(\frac{x}{3x+1}+\frac{2x+1}{3x+1}=\frac{x+2x+1}{3x+1}=\frac{3x+1}{3x+1}=1\)

\(\text{CHÚC BẠN HOK TOT}\)

Answer 2

\(\frac{x}{3x+1}+\frac{2x+1}{3x+1}=\frac{x+2x+1}{3x+1}=\frac{\left(x+2x\right)+1}{3x+1}=\frac{3x+1}{3x+1}=1\)