Răspunsuri

2014-04-25T19:11:40+03:00
A=oi
b=miei
a+b=210
b:2=45
b=45x2=90
a=210-b
a=210-90=120
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2014-04-25T19:33:17+03:00
X - oi , y - miei       x+y=210 animale    y:2=45 animale      y=45×2=90 miei       x=210-y    x=210 - 90=120 oi