Expressões numéricas
Resolva as expressões
Soluções para a tarefa
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