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Transformati:2,3= ; 2,(3) ;4supra2;5supra7

Răspuns :

2,3=23/10
2,(3)=21/9=7/3
4/2=2

2,3=........
2,3=23/10


2,(3)=......
2,(3)=21/9
2,(3)=7/3


4/2=.....
4/2=2

5/7=.....
5/7=0,71