Operatii cu fractii. (SIex1TH)
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1. \textrm{Calculati} \left(\frac{1}{2}+\frac{1}{8}\right): \frac{10}{16}+2

 
 
 
 

2. \textrm {Calculati} \left(\frac{1}{3}+\frac{1}{9}\right): \frac{60}{27}

 
 
 
 

3. \textrm{Calculati}\left(\frac{2}{8}+\frac{1}{5}\right) \cdot \frac{80}{18}

 
 
 
 

4. \textrm{Calculati} \ \frac{8}{2}: 0,8-\frac{10}{2}-2

 
 
 
 

5. \textrm{Calculati}  \ 3 \cdot\left(\frac{10}{5}-\frac{9}{5}\right)-\frac{3}{5}+3

 
 
 
 

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