Răspunsuri

2014-05-22T17:06:28+03:00
A+b=220 rezulta a=220-b ; b+c=588 rezulta c=588-b ;iar a+c=220-b +588-b=438 ;a+b=808-2b=438 ;808-438=2b ;2b=370 ;b=370:2 ; b=185 , adica a+185=220  ;a=220-185=35 ;a+c=438 , adica 35+c=438 ;c=438-35=403 ;
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2014-05-22T19:17:58+03:00
2a+2b+2c=220+588+438=1246/2
a+b+c=623
c=623-220=403
a=623-588=35
b=623-438=185
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