Question

Calcule as expressões a)-(13-1)² ÷[√64 ÷2³+(81÷3²-8).3]+6² b)- [(2+2³)³-(64-2²).2⁴]²+(8-18÷3²)²

Answer 1

a) -(13-1)²:[√64:2³+(81:3²-8).3]+6²
-(12)²:[√64:2³+(81:9-8).3]+6²
-144:[√64:2³+(9-8).3]+6²
-144:[√64:2³+1.3]+6²
-144:[8:8+1.3]+6²
-144:[1+3]+6²
-144:4+6²
-144:4+36
-36+36
0

Espero ter ajudado ; )