Question

10-9+8-7+6-5+4-3+2-1=?

Answer 1

\(10-9+8-7+6-5+4-3+2-1\)\(1\)

\(=1+1+1+1+1\)

\(=5\)

Answer 2

10 - 9 + 8 - 7 + 6 - 5 + 4 - 3 + 2- 1

= 1 + 1 + 1 + 1 + 1

= 1 x 5

= 5

Answer 3

10 - 9 + 8 - 7 + 6 - 5 + 4 - 3 + 2 - 1 = 5

Answer 4

10 - 9 + 8 - 7 + 6 - 5 + 4 - 3 + 2 - 1

= ( 10 - 9 ) +  (8 - 7 ) + ( 6 - 5 ) + (4 - 3 ) + ( 2 - 1 )

= 1 + 1 + 1 + 1 + 1

= 1 x 5

= 5