Răspunsuri

2014-05-04T19:20:39+03:00
A+b+c=376
b=3a
c=4a
a+3a+4a=376
8a=376    /:8
a=47
b=47*3=141
c=47*3=188
1 5 1
2014-05-04T19:20:47+03:00
Se face metoda figurativa
376:8=47(nr1)
47*3=141(nr2)
47*4=188(nr3)
proba 47+141+188=376