2. a[i] = i * i - 5
a[1] = -3
a[2] = -1
a[3] = 4
a[4] = 11
a[5] = 20
a[6] = 31
a[7] = 44
a[8] = 59
a[9] = 76
a[10] = 95
3. if Dat[k} > 12 then m:= m + 1
Dat[1] => m = 0
Dat[2] => m = 1
Dat[3] => m = 2
Dat[4] => m = 3
Dat[5] => m = 4
Dat[6] => m = 4
Dat[7] => m = 4
Dat[8] => m = 5
Dat[9] => m = 6
Dat[10] => m = 7
Ответ: 7