Chứng minh p/q=(m+p)/(n+q) biết m/n=p/q
Cho \(\frac{m}{n}=\frac{p}{q}\) chứng minh
a) \(\frac{p}{q}=\frac{m+p}{n+q}\)
b) \(\frac{m}{n}=\frac{m-2p}{n-2q}\)
c) \(\frac{m+p}{m-2p}=\frac{n+p}{n-2q}\)
Loga
Toán lớp 6
