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Ioana53333333
a fost răspuns

simplificati pana la ireductibil iar dupa amplificati: 11/18, 20/15, 24/28, 14/42, 30/12, 25/45, 32/40, 36/47, 28/42, 48/32, 56/42, 50/75, 84/90, 100/225, 180/144, 320/400
Vaaa rrroooggg, reeepppede! Dau coroana! ​

Răspuns :

Geo20boss

Răspuns:

Explicație pas cu pas:

11/18;20/15=4/3;24/28=6/7;14/42=1/3

30/12=5/2;25/45=5/9;32/40=4/5

36/48;28/42=2/3;48/32=3/2

56/42=4/3;50/75=2/384/90=14/15

100/225=4/9;180/144=5/4

320/400=32/40=16/20=4/5

320/400=4/5

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