Question

1) Resolva as expressões abaixo:

a) 18 : 2 - 5 X 6 - 4 =

b) 240 : 3 + 5 - 19 =

c) 270 : 9 -3 + (11 + 25 x 2) =

d) (640 - 50 x 8): 6 - 32 =

e) 3+ (16 - 4 x 3) - 6:2 =

f) 78 : 2 + (9 x 5) - 33 =

g) 2 x (7-4) - 12 : 3 + 25 =

h) 15 + 3 x 7 - 2 x 3 + 8 : 2 =​

Answer 1

Explicação passo-a-passo:

a) 9-30-4= -25

b) 80+5-19= 66

c) 30-3+(11+50)= 30-3+61= 88

d) (640-400):6-32= 240:6-32= 40-32= 8

e) 3+(16-12)-3= 3+4-3= 4

f) 39+45-33= 51

g) 2×3-4+25= 6-4+25= 27

h) 15+21-6+4= 34