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Cel mai inteligent răspuns!
2014-10-15T00:03:57+03:00
A + b = 57
c + d = 25
__________

( a + b ) - ( c + d ) = 57 - 25
a + b = 32 + ( c + d )
a + b = 32 + c + d
a - c + b - d = 32

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2014-10-15T00:05:28+03:00
Scz. dar am scris un raspuns incorect si.nustiu cum sa-l sterg
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