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dau coroana daca ma azutati EFECTUATI paranteza 12 +24+36......+444 inchizi paranteza : paranteza 6+12+18......+222 inchizi paranteza

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Max7744ask

Răspuns:

(12+24+36+48+60+72+84+96+108+120+132+144+156+168+180+192+204+216+228+240+252+264+276+288+300+312+324+336+348+360+372+384+396+408+420+432+444)

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