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Ciprianasl12p3273m
a fost răspuns

aflati numerele a,b,c, stiind ca: a+b+c=7819 a+b=3313 b+c=5711
rapid, dau coroana+multumesc!
rapid

Răspuns :

Jonny34
inlocuim :in prima formula :3313+c=7819;c=7819-3313;c=4506; ;b+4506=5711;b=5711-4506;b=1205; a+1205+4506=7819;a+1205=7819-4506;a+1205=3313;a=3313-1205;a=2108; verificare a+b+c=2108+1205+4506=3313+4506=7819

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