Respostas

2014-04-23T00:28:36-03:00
23 + 56 + 78 + 23 + 67 - 30

= 247 - 30

= 217
Disponha ;-)
parabens
23+45+78+23+45+12+89+21+67=
Disponha....403....
2014-04-23T08:54:32-03:00
Olá, nicollesnunes.

Vamos resolver por partes. Veja:

23+56+78+23+67-30 \\ 79+78+23+67-30 \\ 157+23+67-30 \\ 180+67-30 \\ 247-30 \\\boxed{217}
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