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0,5+2,5+6,5+ [tex] \frac{1}{2} [/tex]=
 cine ma poate ajuta?



Răspuns :

[tex]0,5+2,5+6,5+ \frac{1}{2}= \\ \\ 9,5+ \frac{1}{2}= \\ \\ Amplificam~prima~cu~2: \\ \\ \frac{19}{2}+ \frac{1}{2}= \\ \\ \frac{20}{2}=10 [/tex]