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Alexandruchiri
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Aratati ca
[tex] \frac{1}{2} =1- \frac{1}{2} [/tex]

Răspuns :

HyperCoder
[tex]1- \frac{1}{2}= \frac{2}{2}- \frac{1}{2}= \frac{2-1}{2}= \frac{1}{2} [/tex]
[tex]=>1- \frac{1}{2}= \frac{1}{2} [/tex]
1-1/2=1/2+1/2-1/2 =1/2

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