Question

Cálcule o valor das expressões
A) 51-[10+(24-13)]+30

B) 20-[6+(3+9):(8-5)]-10

C)21-{9+[(13-5)+2]-1}

D)[256:(16.16)]+[225:(15.1)]

Answer 1

A) 51-[10+(24-13)]+30
51-[10+(11)]+30
51-[21]+30
60


B) 20-[6+(3+9):(8-5)]-10
20-[6+(12):(3)]-10
20-[6+4]-10
20-10-10
0


C)21-{9+[(13-5)+2]-1}
21-{9+[(8)+2]-1}
21-{9+[10]-1}
21-{18}
3

D)[256:(16.16)]+[225:(15.1)]
[256:(256)]+[225:(15)]
[1] + [17]
18