Respostas

2014-04-29T11:50:24-03:00
[4²=16 + 2³=8] = 24;

9-7 = 2³ = 8;
2014-04-29T12:43:01-03:00
[4²+(5-3)³]:(9-7)³
[4²+ (2)³] : (2)³
[4² + 8]   : 8
 [16 + 8] : 8 
 24 : 8 
    3

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