Question

Resolva as expressões:
1) 4+(12.9-7) : (6+2.3)
2) 3/1+[6.2-(15/3+6.4)]

Answer 1

Resposta:

1) 8,75

2) -14

Explicação passo-a-passo:

1) 4+(12.9-7) : (6+2.3)

4+(108-7) : (6+6)

4+101 : 12

105:12

8,75

2) 3/1+[6.2-(15/3+6.4)]

3/1+[6.2-(5+24)]

3/1+[6.2-29]

3/1+[12-29]

3/1-17

3-17

-14