Răspunsuri

  • Utilizator Brainly
2014-05-27T14:19:44+03:00
a+b+c = ?
a+c=786
a I_____I
c I_____I+1+1
Suma lor este 786 .
786-2 = 784 ( suma partilor egale )
784 ; 2 = 392 ( a )
392 + 2 = 394 ( c )
392+1=393 ( b )

a=392
b=393
c=394


17 4 17
2014-05-27T14:21:57+03:00
A,a+1,a+2 cele trei nr consecutive
a+a+2=786
2a=786-2
a=784/2
a=392
primul nr a=392,a+1=393 a+2=394
verificare392+394=786
7 4 7