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[tex] \frac{2}{25} \div ( - \frac{2}{5} ) + \frac{1}{24} \div \frac{1}{12} [/tex]
Va rog repede. ​


Răspuns :

2/25 : (-2/5)+1/24:1/12=

2⁽²/25⁽⁵  * (-5⁽⁵/2⁽²)+ 1/24⁽¹²*12⁽¹²/1=

-²⁾1/5+⁵⁾1/2=

-2/10+5/10=

(-2+5)/10=3/10