Pricopvalerica9ask Pricopvalerica9ask Matematică a fost răspuns Reduceti termenii asemenea:a) 3x-6y+2,7x +35y-2;b) – 2,7a +36-120-3b+17d) – 2008 + ab? - 78ab +5 ab? + 2007 – 22ahc) 731-2z+3731-5.(2)z-√7tz;