(х+11/12)-14/15=1целых3/10 решить уровнение
X+11/12=13/10+14/15 x=13/10+14/15-11/12 x=78/60+56/60-55/60 x= 79/60= 1 19/60
(х + 11/12) - 14/15 = 1 3/10, х + 11/12 - 14/15 = 1 3/10, х = 1 3/10 - 11/12 + 14/15, х = 13/10 - 11/12 + 14/15, х = 78/60 - 55/60 + 56/60, х = 79/60, х = 1 19/60