Question

Expressões numéricas
Resolva as expressões

Answer 1

Resposta:

a)47 b)66 c)88 d)8 e)4 f)51 g)27 h)34

Explicação passo-a-passo:

a)18:2.5+6-4 b)240:3+5-19

9.5+6-4 80+5-19

45+6-4 85-19

51-4 66

47

c)270:9-3+(11+25.2) d(640-50.8):6-32

270:9-3+(11+50) (640-400):6-32

270:9-3+61 240:6-32

30-3+61 40-32

27+61 8

88

e)3+(16-4.3)-6:2 f)78:2+(9.5)-33

3+(16-12)-6:2 78:2+45-33

3+4-6:2. 39+45-33

3+4-3 84-33

7-3 51

4

g)2.(7-4)-12:3+25 h)15+3.7-2.3+8:2

2.3-12:3+25 15+21-2.3+8:2

6-12:3+25 15+21-2.3+4

6-4+25 15+21-6+4

2+25 36-6+4

27 30+4

34