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Cristianmitre
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Calculati: a. (-2/5)+(-3/10)+(+1/2)+(+4/15)
b. (-5/3)+(-5/6)+(+5/2)+(-5/12)​

Răspuns :

Fernandoparaschiv75

Răspuns:

a.(-2/5)+(-3/10)+(+1/2)+(+4/15)=-12-9+15+8/30=2/30=1/15

b(-5/3)+(-5/6)+(+5/2)+(-5/12)=-20-10+30-5/1=-5/12

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