Jawabanmu

2014-09-09T20:52:39+07:00
5log2 = y jadi 2log5=1/y
log 20/log 18
2log5+2log2/2log6+2log3
1/y+1 / x+1+x
1/y+1/2x+1
kali silang jadi 1+y/2xy+y