Jawabanmu

2014-09-04T19:01:28+07:00
Jwbnnya 2(mungkin) maap ye kalo salah:D
2014-09-04T19:03:15+07:00
(117x18=)+(18x-17) =2.106+-306=1800
(45x32)-(45x12)=1.440-540=900
1800 : 900= 2