1) 2-13 mod 7/3+sqr(4) = 2 - (13 mod 7)/3 + sqrt(4) = 2 - 6/3 + 2 = 2 - 2 + 2 = 2
2) sqr(9) - 14 div 32 + sqrt(4) = 3 - 42 + 2 = 3 - 8 + 2 = -3
3) 14 - 17 mod 62 + abs(0.5 - 2.5) = 14 - (17 mod 6)2 + abs(-2) = 14 - 5*2 + 2 = 14 - 10 + 2 = 6
4) 12*3 div 5/3.5 + sqr(1) = 36 div 5 / 3.5 + 1 = 7.2 / 3.5 + 1 = 2.057 + 1 = 3.057
5) Sqrt(9)2 - 19 mod 5 div 2 = 32 - 4 div 2 = 6 - 2 = 4
6) Sqrt(19 div 2)/1.5 - 14 mod 7 = Sqrt(9)/1.5 - 0 = 3 / 1.5 = 2
7) Sqr(21/7) + 12 mod 7 - 2 = Sqr(3) + 5 - 2 = 3 + 5 - 2 = 6
8) Abs(2 - sqrt(9)) - 20 mod 7 = Abs(2 - 3) - 6 = Abs(-1) - 6 = 1 - 6 = -5
9) Sqr(2sin(3 - 7 div 2)) = Sqr(2sin(3 - 3)) = Sqr(2*sin(0)) = Sqr(0) = 0
10) Sqrt(19 mod 7 + sqr(8 div 3)) = Sqrt(5 + 2) = Sqrt(7) ≈ 2.646
11) Sqrt(1/0.25) + 11 mod 6 = Sqrt(4) + 5 = 2 + 5 = 7
12) Abs(8 - sqrt(2/0.5) + 4 mod 3) = Abs(8 - sqrt(4) + 1) = Abs(8 - 2 + 1) = Abs(7) = 7
13) Sqr(4) / abs(39 mod 7 - 8) = 2 / abs(4 - 8) = 2 / abs(-4) = 2 / 4 = 0.5