Răspunsuri

  • Utilizator Brainly
2014-09-21T19:12:23+03:00
A.I____I
b.I____I____I____I
c.I____I____I____I+13

Suma este 797 . Aflam suma partilor egale .
797-13=784
784:7=112 (  numarul a )
112x3=336 ( numarul b )
112x3+13=349 ( numarul c )
2014-09-21T23:38:18+03:00
A+b+c=797
b=3a
b=c-13
c=b+13
a+3a+3a+13=797
7a=797-13
7a=784
a=784:7
a=112
b=3a
b=3*112
b=336
c=b+13
c=336+13
c=349
112+336+349=797