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Buna vreau si eu exercitiul acesta rezolvat corect
4+20:{5+5x[125+3x5+15x(36-18:9)]


Răspuns :

4+20:{5+5x[125+3x5+15x(36-18:9)]}=4+20:[5+5x(125+3x5+15x34)]=4+20:(5+5x650)=4+20:3255=4,00614439324......
4+20:[5+5x(125+3x5+15x34)]
4+20:(5+5x650)
4+20:3255
4,00614439324