Question

Expressões Numéricas

Answer 1

Resposta:

a)18:2x5+6-4=. b) 240:3+5-19

9x5+6-4= 80+5-19

45+6-4=. 85-19

51-4=. 66

47

c)270:9-3+(11+25x2)=. d) (640-50x8):6-32=

30-3+(11+50). (640-400):6-32

30-3+61. 240:6-32

27+61. 40-32

88. 8

e)3+(16-4x3)-6:2=. f)78:2+(9x5)-33

3+(16-12)-6:2. 39+(9x5)-33

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

3+4-3. 88-33

7-3. 55

4

g)2x(7-4)-12:3+25=. h)15+3x7-2x3+8:2=

2x3-12:3+25. 15+3x7-2x3+4

2x3-4+25. 15+21-2x3+4

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

2+25. 36-6+4

27. 30+4

34

Explicação passo-a-passo:

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