Răspunsuri

2014-10-06T20:48:31+03:00
A+b+c=986
296+c+145+c=986
441+2c=986
2c=986-441
2c=545
c=545:2
c=272,5
nu e corect 296 +145 nu e 444 ci 441
Scuze! M-am grabit...
2014-10-06T20:48:45+03:00
986- 296=690
x+x+145=690
2x=690-145
x=272.5
Verificare
272.5+296+417.5=986