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exercitiul numarul 18, va rog ❤️

Exercitiul Numarul 18 Va Rog class=

Răspuns :

1/2=15/30
2/3=20/30

1 si17/30=47/30
1si18/30=1si9/15=24/15=8/5
1si19/30=49/30



1/4=6/24=12/48
1/3=16/48
5 si 13/48=253/48
5si14/48=5si7/48=127/24
5si 15/48=5si5/16=85/16