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DAU COROANA (PROBLEMA 20)

DAU COROANA PROBLEMA 20 class=

Răspuns :

a=primul nr
b=al 2-lea nr
a/2=al 3-lea nr
a:b=5 si rest 24     a=5b+24
a+b+a/2=257
3a/2 +b=257
3(5b+24)/2+b=257
15b+72+2b=514
17b=442
b=442:17=26
a=(5×26+24)=154
a/2=77

verificare 154+26+77=257