Jawabanmu

2014-08-22T16:08:42+07:00
U10 = a + (n-1) b
U10 = 17 + (10 - 1 ) 8
U10 = 17 + 9 × 8
U10 = 17 + 72
U10 = 89
Jawaban paling cerdas!
2014-08-22T16:12:02+07:00