Question

[hoang phuc]

10-1-1-1

ai k mn mn k lai

ko k thi thoi ko k lai dau

Answer 1

[hoang phuc]

10-1-1-1

=9-1-1

=8-1

=7

tk nhé

Answer 2

[Đỗ Huỳnh Diễm Uyr6n]

10-1-1-1= 10-(1+1+1)= 10-3=7

Vậy 10-1-1-1=7