Question

AJUDA URGENTE
B)8+63:(14:7+6)²+2•10
C)8:4+(4-16:8)²+(10:5+45:9)
D)[(65:8-19:19)²+50:25]-(3•5-7•2)

Answer 1

b) 8 + 63:(2 + 6)² + 20
8 + 20 + 63:8²
28 + 63:64
28 + 0,98
28,98 ≈ 29

c) 2 + (4 - 2)² + (2 + 5)
2 + 2² + 7
2 + 4 + 7
13

d) [(8,125 - 1)² + 2] - (15 - 14)
[(7,125)² + 2] - 1
[50,76 + 2] - 1
52,76 - 1
51,76

espero ter ajudado!