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100000000
a fost răspuns

Se stie ca x+y=1250 calculati:
X+Y+5 ,x+5+y , 3+x+y , X-3+y , x+(y+10) , X+x+y+y

Răspuns :

1)⇒ x+y+5=1250+5=1255
2)⇒x+5+y=1250+5=1255
3)⇒ 3+x+y=3+1250=1253
4)⇒ x-3+y=1250-3=1247
5)⇒ x+(y+10)=1250+10=1260
6)⇒ x+x+y+y=1250+1250=2500

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