Question

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

Answer 1

=103

OLM DUYET NHANH

Answer 2

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

=(1-2)+(3-4)+...+(101-102)

=(-1)+(-1)+...+(-1)

=(-1).51

=(-51)

Answer 3

= 1 + ( 2-3-4+5) + ( 6-7-8+9) +................+(98-99-100+101) +102

= 1 + 0+ 0 +..........................+ 0 + 102

= 103

MÌNH NHA !!!!!

Answer 4

ket qua bai toan = - 51