4) 4/7 amplificat cu 5=20/35
5/9=25/45
8/3=40/15
7/6=35/30
5)
11/21=110/210
23/19=230/190
25/42=250/420
54/61=540/610
7)
cu 2
cu 4
cu 8
cu 9
2)pe pagina cealalta
8/14=4/7
6/10=3/5
14/18=7/9
22/12=11/6
3)
9/12=3/4
6/15=2/5
21/12=7/4
30/27=10/9
4)
4/16=1/4
8/12=2/3
24/20=6/5
28/40=7/10
5)
15/10=3/2
20/45=4/9
35/30=7/6
75/55=15/11
Pe viitor incearca sigur nu sunt grele poti progresa o sa vezi :)
