x/6,x-3/3,x^2/4
MSC:12
Quy đồng:
x/6=2x/12
x-3/3=4x-12/12
x^2/4=3x^2/12
\(\dfrac{x}{6};\dfrac{x-3}{3}\&\dfrac{x^2}{4}\)
\(MTC:12\)
\(\dfrac{x}{6}=\dfrac{2x}{12}\)
\(\dfrac{x-3}{3}=\dfrac{4\left(x-3\right)}{12}\)
\(\dfrac{x^2}{4}=\dfrac{3x^2}{12}\)