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URGENT  dau coroana .
8 varog


URGENT Dau Coroana 8 Varog class=

Răspuns :

(a+b+c) :3=11


a+b+c=3*11=33
b=3a
b+12=c


c=b+12=3a+12
 atunci a+b+c = a=3a+3a+12=7a+12


7a+12=33
7a=21
 a=3
b=3*3=9
 c=9+12=21

numerele sunt 3,9 si 21
 verificare (3+9+21):3=33:3=11, bine rezolvat