Jawabanmu

Jawaban paling cerdas!
2014-05-24T20:48:28+07:00
12 = (7+9+12+8+10+15+x+18+14+16) : 10
12= (109 + x) : 10
120 = 109 + x
x= 120-109
x=11
1 5 1
2014-05-24T20:50:38+07:00