The 9th term of the A.P. – 15, – 11, – 7, ...., 49 is
Option: 1 32
Option: 2 0
Option: 3 17
Option: 4 13
?????? ???????????? ????? ????, ?? ???? ????? ????.??? ???????? 16 ??? ?????.?????? 1?? 12 ???.?????? ?????.????? ?????? ???????? ??? ???????? ?????????? ???????????? ??? ??? ????.?????? 5 ?????? ??? 5???? ??? .......8 ?????? ??? 8???? ??? ......???? ????