Question

3) Afla numerele a, b, c.
a+b+c=12
b:c=2
a:c=3​

Answer 1

Explicație pas cu pas:

Ai poza.................

Answer 2

 

$\displaystyle\bf\\a+b+c=12\\b:c=2~~\implies~~b=2c\\a:c=3~~\implies~~a=3c\\\\-------\\\\3c+2c+c=12\\\\6c=12\\\\c=\frac{12}{6}\\\\c=2\\b=2c=2\times2=4\\a=3c=3\times2=6$