Răspunsuri

2014-05-05T19:16:45+03:00
3/5·a=126
3a/5=126
a=(126·5)/3
a=210
multumesc dar nu stiu cum ai facut
(3/5)ori(a/1)=126/1, 3a/5=126/1, faci produsul mezilor si extremilor, 3a=126ori 5
3a=630, a=630/3, a=210, ai inteles?