Question

Calcule as expressões​

Answer 1

Explicação passo-a-passo:

b) (17+7²)+(42:√36)=

(17+49)+(42:6)=

66+7=

73

c)[28-3⁴:9+(32:2-6)]-18=

[28-81:9+(16-6)]-18=

[28-9+10]-18=

[19+10]-18=

29-18=

11

d)26+{[(26-9+3)-√36:3+3.18]-66}=

26+{[20 - 6 :3 +54]-66}=

26+{[20-2+54]-66}=

26+{72 -66}=

26 + 6=

32