Ответ:
1) 2-13 mod 7/3+sqr (4);
2) sqr (9)-14div3*2+sqrt(4);
3)14-17 mod 6*2+abs(0.5-2.5);
4)12*3 div 5/3.5+sqr(l);
5)Sqrt (9)*2-19 mod 5 div 2;
6)Sqrt (19 div 2)/1.5-14 mod 7;
7)Sqr (21/7)+12 mod 7-2;
8)Abs (2-sqrt(9))-20 mod 7;
9)Sqr (2*sin(3-7 div 2));
10) Sqrt (19 mod 7+sqr(8 div 3));
11) Sqrt (l/0.25)+11mod6;
12) Abs (8-sqrt(2/0.5)+4 mod 3);
13) sqr (4)/abs(39 mod 7-8).