Question

\(1+1-1+1-1+1-1+1-1=???\)

Answer 1

1+1-1+1-1+1-1+1-1=2-1+1-1+1-1+1-1=1

Answer 2

Nguyễn Thị Hồng Ngọc

= 1

Answer 3

Answer 4

1+1-1+1-1+1-1+1-1=1

k cho mk nha

mk nhanh nhất