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Calculați:
[2,(6):5/3+2/5] :0,5ori4
VA ROGGGG URGENTTTTT DAU 100 DE PUNCTE NEVOIE VA ROGGGGGGGGGGGG ​​


Răspuns :

[2,(6):[tex]\frac{5}{3}[/tex]+[tex]\frac{2}{5}[/tex]] :0,5x4=

([tex]2\frac{6}{9} :\frac{5}{3} +\frac{2}{5}[/tex]):[tex]\frac{5}{10}[/tex]x4=

([tex]\frac{2*9+6}{9} :\frac{5}{3} +\frac{2}{5}[/tex])x[tex]\frac{10}{2}[/tex]x4=

([tex]\frac{24}{9}[/tex]x[tex]\frac{3}{5} +\frac{2}{5}[/tex])x5x4=

([tex]\frac{8}{5} +\frac{2}{5}[/tex])x20=

[tex]\frac{10}{5}[/tex]x20=

2x20=

=40