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30:(1/10-1/10:3)=                  /- Inseamna supara                                                                                       

Răspuns :

/ - da e supra 
 30 : ( [tex] \frac{1}{10} [/tex] - [tex] \frac{1}{10} [/tex] : 3 ) =
= 30 : ( [tex] \frac{1}{10} [/tex] -  [tex] \frac{1}{10} [/tex] * [tex] \frac{1}{3} [/tex] )
= 30 : ( [tex] \frac{1}{10} [/tex] - [tex] \frac{1}{30} [/tex] )
De aici sti calcula!
* - ori -inmultire