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Cel mai inteligent răspuns!
2014-09-13T15:08:26+03:00

 

a)20:(5x2)+6la a 2=38,20:10+36=38,2+36=38,38=38
b)nu se poate

c)20:5x(2+6 la a 2)=152,20:5x(2+36)=152,20:5x38=152,4x38=152

152=152

sau:(20:5)x(2+6 la putereaa 2)=152

4x(2+36)=152

4x38=152,152=152

 

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