Va rog repeeeede!!!!!!
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Răspuns:Vezi explicatiile!
Explicație pas cu pas:1)19/15x4=19/15x4/1=76/15. 2) 17/12x5/1=85/12. 3) 14/10x6/1=84/10. 4)11/20x4/1=44/20. O dupa-amiaza super!!