Question

10-1-1-1+2

k mình nhé

Answer 1

10-1-1-1+2

=7+2

=9

tk nhé

xin đó

Answer 2

10 - 1 - 1 - 1 + 2

= 9 - 1 - 1 + 2

= 8 - 1  + 2

= 7 + 2

= 9