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scrieti sub forma de fractie ordinara nr:
7,3
1,35
0,002
1,(2)
21,(34)
2,(075)
4,5(6)
1,23(13)
0,06(5)
Dau coroana!Ajutor!!!


Răspuns :

[tex] \frac{73}{10} \frac{135}{100} \frac{2}{1000} \frac{11}{9} \frac{2113}{99} \frac{2273}{999} \frac{411}{90} \frac{12190}{9900} \frac{644}{990} [/tex]
[tex]7,3=\frac{73}{10}[/tex]
[tex]1,35=\frac{135}{100}[/tex]
[tex]0,002=\frac{2}{1000}[/tex]
[tex]1,(2)=\frac{12-1}{9}=\frac{11}{9}[/tex]
[tex]21,(34)=\frac{2134-21}{99}=\frac{2113}{99}[/tex]
[tex]2,(075)=\frac{2075-2}{90}=\frac{2073}{990}[/tex]
[tex]4,5(6)=\frac{456-45}{90}=\frac{411}{90}[/tex]
[tex]1,23(13)=\frac{12313-123}{999}=\frac{12190}{990}[/tex]