Question

[Ko thick hok chi vao de chem gio]

1+1=

1+2=

1+3=

1+111111111111111111111111111111111111111111111111111111111111x0=

ai ket ban voi tui di!huuuuuuuuuuuuhuhuhuhuhhhhhuuuuuuuuu*-*

Answer 1

[nguyen thi ha duyên]

1+1 = 2

1+2=3

1+3=4

=0 

Answer 2

[Khuất Minh Ngọc]

1+1=2

1+2=3

1+3=4

=0