Răspunsuri

2014-09-16T18:18:01+03:00
Notezi numarul cu xsi obtii:
(537-x)/463+x=1/9
9(537-x)=463+x
4833-9x=463+x
-10x=-4370
x=437
537-437/463+437=100/900=1/9
1 5 1