Jawabanmu

2014-05-23T07:42:08+07:00
Jawaban paling cerdas!
2014-05-23T07:48:06+07:00
X=(1,2,3,4)
karena;
 5x<18+2
 5x<20
x<5  karena,20:5..
jadi x=(1,2,3,4)

1 5 1