найди правило и продолжи ряд чисел:1)9,7,8,6,7,5,6........
2)8,5,7,4,6........
3)3,7,4,8,5........
4)3,6,2,5........
5)9,6,8,5,7......

1)9,7,8,6,7,5,6,4,3,...(-2+1)
2)8,5,7,4,6,3,5,...(-3+2)
3)3,7,4,8,5,9,6,...(+4-3)
4)3,6,2,5,8,4,...(+3-4)
5)9,6,8,5,7,4,6,..(-3+2)