�M MRO � M M M R R M M㠎 M �M 㠎M RMR 㠎M M RM M �MR㠎M  M M R 㠎 M...

Câu 3: �m mRo � m m m R R m m㠎 m �m 㠎m RmR 㠎m m Rm m �mR㠎m  m m R 㠎 m �m � R RRA. R㠎m Rị o R mRm m s .B. R㠎m Rị o R mRm RRmR R�mR.C. R㠎m Rị o R mRm RRmR s R o R mRm m sD. R㠎m Rị o R mRm RRmR s .