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1l2a3u
a fost răspuns

Descompuneti in factori termenii fiecarui raport si apoi simplificati:
a)[tex] \frac{2a-2b}{4a} [/tex]
b)[tex] \frac{4x-4y}{8a+8b} [/tex]
c)[tex] \frac{4x+4y}{12x+12y} [/tex]
d)[tex] \frac{ab}{a-ab} [/tex]

Răspuns :

Alitta
[tex]a)...\;\;...=\frac{2(a-b)}{4a}=\frac{a-b}{2a}\;;\\ b)...\;\;...=\frac{4(x-y}{8(a+b)}=\frac{x-y}{2(a+b)}\;;\\ c)...\;\;...=\frac{4x+4y}{3(4x+4y)}=1/3\;;\\ d)...\;\;...=\frac{ab}{a(1-b)}=\frac{b}{1-b}\;\\[/tex]

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