Exercitiul 2 a) va rog repede dau 59 de puncte repeedee
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2a) 189/117 = 9/13
- 180/420=18/42=9/21=3/7
- 63/216=21/72=7/24
- 162/108=81/54=27/18=9/6=3/2
- 81/36=9/4
- 912/192=76/16=19/4
- 302/52= 151/26