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Blonda241
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Calculati a doua expresie matematica falosindu-va de prima

Calculati A Doua Expresie Matematica Falosinduva De Prima class=

Răspuns :

Renatemambouko
x/(x+y+z)+y/(x+y+z)+z/(x+y+z)=1

(x+y)/(x+y+z)+(x+z)/(x+y+z)+(y+z)/(x+y+z)=
x/(x+y+z)+y/(x+y+z)+x/(x+y+z)+z/(x+y+z)+y/(x+y+z)+z/(x+y+z)=
=[x/(x+y+z)+y/(x+y+z)+z/(x+y+z)]+[x/(x+y+z)+y/(x+y+z)+z/(x+y+z)]=1+1=2











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