Question

1 Resolva as expresses abaixo
a) 18: 2 x 5 + 6 - 4 =
b) 240 : 3 + 5 – 19 =
c) 270 : 9 - 3+ (11 + 25 x 2) =
d) [640 – 50 x 8): 6-32 =​

Answer 1

a) 18:2= 9

9×5 = 45

45+6=51

51 - 4= 47 resposta : 47

b) 240:3 = 80

80+5= 85

85-19 = 66 resposta : 66

c) 11+25×2 = 61

270:9=30

30-3=27

61+27= 88. resposta : 88

d)640-50×8=280

280÷6= 40

40-32= 8. resposta : 8