1. program suma; var a, b, sum, i: integer; begin read(a); read(b); for i: =a to b do sum: =sum+i; write(sum); end. 2. program multip; var a, b, m, i: integer; begin m: =1; read(a); read(b); for i: =a to b do m: =m*i; write(m); end. 3. program suma2; var a: array [1..5] of integer; i, sum: integer; begin for i: =1 to 5 do read(a[i]); for i: =1 to 5 do sum: =sum + a[i] * a[i]; write(sum); end. 4. program cnt_nopos; var a: array [1..5] of integer; i, cnt: integer; begin for i: =1 to 5 do read(a[i]); for i: =1 to 5 do if a[i] < 0 then inc(cnt); write(cnt); end. 5. var a: array [1..5] of integer; i, max: integer; begin for i: =1 to 5 do read(a[i]); max: =a[1]; for i: =1 to 5 do if a[i] > max then max: =a[i]; write(max); end.