Jawabanmu

2014-08-26T21:53:19+07:00
2014-08-26T21:54:01+07:00
= 3ab + 4bc + 2ab + 5bc
= 3ab + 2ab + 4bc + 5bc
= 5ab + 9bc
3ab+4bc+2ab+5bc
MAF, YANG DI ATAS SLAH KRIM...