Pomocy prosze!!!!!!!! 2 ¾ + x : ⅗ = 3 7/10 a to 2 : 2½-¾ : x = ⅚m

2 ¾ + x : ⅗ = 3 7/10 11/4+5/3x=37/10 5/3x=37/10-11/4 5/3x=148/40-110/40 5/3x=38/40 /*3/5 x=114/200=57/100=0,57 2 : 2½-¾ : x = ⅚ 2:5/2-4/3x=5/6 2*2/5 - 4/3x=5/6 4/5-4/3x=5/6 -4/3x=5/6-4/5 -4/3x=25/30-24/30 -4/3x=1/30 /*3/4 x=3/120=1/40