Question

resolva as expressões a)60+2x{[4x(6+2)-10]+12}=
b) 60-[8+(10-2):2]=
c) 5x(20+2-15)-(7x8-30)=
d) (3+6x5)-20=
e) 7x(15:3+5)=
f)15+3-8x2+4
g) 6x8-32:4=
h) 7+8x9=
i) 50-[6x8):(12+4)}​

Answer 1

Resposta:

b) 60-[8+(10-2):2]=

60-[8+8÷2]

60-[8+4]

60-12

72

c) 5x(20+2-15)-(7x8-30)=

5*7-(56-30)

5*7-26

35-26

9

d) (3+6x5)-20=

33-20

13

e) 7x(15:3+5)=

7*(5+5)

7*10

70

f)15+3-8x2+4

15+3-16+4

18-20

-2

g) 6x8-32:4=

48-8

40

h) 7+8x9=

7+72

79