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calculați si scrieți rezultatul sub formă de fracție ireductibilă:(6/10+1/2)*5+1/2:(2/5-1/10)+2

Răspuns :

(6+5)5/10 + 1/2 : (4-1)/10 + 2 =

= 11/5 + 1/2 x 10/3 + 2 =

= 11/5 +5/3 +2 =

=(33+15+30)/15 =

=78/15 =5 intregi si 3/15 = 5 intregi si 1/5
[tex] (\frac{6}{10} +[/tex][tex] \frac{1}{2} )*5[/tex] [tex] +\frac{1}{2} [/tex] [tex] :( \frac{2}{5} } [/tex] [tex]- \frac{1}{10})+2= [/tex]
[tex]( \frac{6}{10}+ [/tex] [tex]\frac{5}{10} )*5[/tex] [tex]+\frac{1}{2}: [/tex] [tex] (\frac{4}{10}- [/tex] [tex]\frac{1}{10})+2 = [/tex]
[tex] \frac{11*5}{10}+[/tex] [tex] \frac{1}{2}* [/tex] [tex]\frac{10}{3}+2 =[/tex] [tex]\frac{11}{2}+ [/tex][tex]\frac{5}{3}+2= [/tex] [tex] \frac{33}{6}+ [/tex] [tex]\frac{10}{6}+ [/tex] [tex] \frac{12}{6}= [/tex] [tex] \frac{33+10+12}{6}= [/tex] [tex] \frac{55}{6}[/tex]