A = 1 + (-3) + 5 + (-7) + ...+ 17 + (- 19)

B = 1 - 4 + 7 - 10 + ... - 100 + 103

C = 1 + 2 - 3 - 4 + 5 + 6 - 7 - 8 + ... - 99 - 100 + 101 + 102

Bạn cần đăng nhập để có thể gửi đáp án

Chat chit và chém gió
  • hoahoa.nhynhay: . 11/5/2018 1:39:46 PM
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