Răspunsuri

2014-10-14T21:44:00+03:00
2³¹+2³°+2²⁹=x2²⁸
2²⁸(2³+2²+2¹)=x2²⁸ seimparte la 2²⁸
2³+2²+2=x
x=8+4+2
x=14