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calculer sous forme fractionnaire
2 + 3                         2                           4    +     1
_     _                4-     _                       -    _          _
3     7                         9                           3         12

pouvez vous m aider svp merci

Sagot :

[tex] \frac{2*7}{3*7} [/tex]+[tex] \frac{3*3}{7*3} [/tex]
[tex] \frac{14}{21} [/tex]+[tex] \frac{9}{21} [/tex]
[tex] \frac{23}{21} [/tex]


[tex] \frac{4}{1} [/tex]-[tex] \frac{2}{9} [/tex]
[tex] \frac{36}{9} [/tex]-[tex] \frac{2}{9} [/tex]
[tex] \frac{34}{9} [/tex]


-[tex] \frac{4*4}{3*4}[/tex]+[tex] \frac{1}{12} [/tex]
-[tex] \frac{16}{12} [/tex]+[tex] \frac{1}{12} [/tex]
-[tex] \frac{3}{12} [/tex]

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