Question 6 of 24 (3 points) What is the result of 1+1-1+2+2-2+3+3-3+4+4-4 a) 0 b) 2 c) 10 d) 20 e) 43 işleminin sonucu nedir? 1+1-1+2+2-2+3+3-3+4+4-4​