Question

Resolva as expressoes a)18:2×5+6-4
b)240:3+5-19
c)270:9-3+(11+25×2)
d)(640-50×8):6-32
e)3+(16-4×3)-6:2
f)78:2+(9×5)-33
g)2×(7-4)-12:3+25
h)15+3×7-2×3+8:2

Answer 1

a) 18:2×5+6-4
9×5+6-4
45+2
47

b)240:3+5-19
80+5-19
80+(-14)
80-14
66

c)270:9-3+(11+25×2)
270:9-3+(11+50)
30-3+(61)
27+61
88

d)(640-50×8):6-32
(640-400):6-32
(240):6-32
40-32
8

e)3+(16-4×3)-6:2
3+(16-12)-3
3+4-3
3+1
4

f)78:2+(9×5)-33
39+45-33
84-33
51

g)2×(7-4)-12:3+25
2×3-4+25
6-4+25
2+25
27

h)15+3×7-2×3+8:2
15+21-6+4
36-6+4
30+4
34