Răspunsuri

2014-06-03T21:19:57+03:00
4 t = ? q
4 t = 40 q 
3 q + ....q = 40 q
40 q - 3 q = 37 q
3 q + 37 q= 40 q= 4 t
2014-06-03T21:21:52+03:00