Question

1-Resolva as operações

a)[√81 + (3²) - √36 -3- (9) 1]

Answer 1

[√81+(3²)-√36-3-(9)1]
[9+9-6-3-9]
[18-6-3-9]
[12-3-9]
[9-9]
0

Answer 2

[√81 + (3²) - √36 -3- (9) 1]
=9+9-6-3-9
=18-6-3-9
=12-3-9
=9-9
=0