Question

1+2-3-4+5+6.........+302

cac ban giup giup mim voi

 

Answer 1

  1+2-3-4+5+6.....+302

=1+(2-3-4+5)+(6-7-8+9)+.......+(299 -300-301-302)

=1 + 0 + 0+ 0 +........+0

= 1

Answer 2

thanks nhung sai rui ket qua la 303 co thay tui noi do