Răspuns :
[tex]( \frac{1}{36} - \frac{1}{24} ): \frac{1}{48} = ( \frac{2}{72}- \frac{3}{72} ) *48 = - \frac{1}{72}*48 = - \frac{48}{72} = - \frac{6}{9} = - \frac{2}{3} [/tex]
(1\36-1\24) : 1\48=
=1/(3²*2²)-1/(2³*3):1/48=
aducem la acelasi numitor prima paranteza
=((2-3)/(3²*2³))*48=
=-1/72*48=
=-48/72=
=-(2^4*3)/(2³*3²)=
=-2/3
=1/(3²*2²)-1/(2³*3):1/48=
aducem la acelasi numitor prima paranteza
=((2-3)/(3²*2³))*48=
=-1/72*48=
=-48/72=
=-(2^4*3)/(2³*3²)=
=-2/3