\(PM\), \(QN\) and \(RO\) are the medians of the triangle \(PQR\).  Using the symbols \(<, >\) and \(=\) make the following statements true.
 
Test_1_1.png
 
Select the suitable symbol:
 
\(QR\)    \(PR+PQ\)
 
\(PQ - QR\)  \(PR\)
 
\(RN\)  \(NP\)
 
\(PQ+QR+RO\)  \(2PM\)