Question

[hung]

1+1-2+2-1+3-4=...

ai nhanh minh tick cho va nho kb voi nha

Answer 1

[Linh Chi Aquarius Virgo HotGirl Sa...]

=0

mk nhầm

Answer 2

[Linh Chi Aquarius Virgo HotGirl Sa...]

1+1-2+2-1+3-4

=2-2+2-2+3-4=0+2-2+3-4

=2-2+3-4=0+3-4

=3-4=-1