Решите уравнения А) 5 6/7 - x= 3
N4 a) x=5 6/7-3 = (5-3)+6/7 = 2 6/7 b) y=10 7/11 - 4 8/11= 9 18/11- 4 8/11= (9-4)+(18/11-8/11)= 5 + 10/11= 5 10/11 N5 x:8=5 7/8 x:8=47/8 x=47/8* 8 =47