(6 17/12-3 17/36)*2,5-4 1/3:0,65=

(6 17/12-3 17/36)*2,5-4 1/3:0,65=3 7/361) 6 17/12-3 17/36= 6 51/36 -3 17/36= 3 34/36= 3 17/182) 3 17/18 * 2,5= 71/18 * 25/10= 71/18 * 5/2= 355/36= 9 31/363) 4 1/3:0,65= 13/3 : 65/100= 13/3 : 13/20= 13/3 * 20/13= 20/3= 6 2/34) 9 31/36 - 6 2/3= 9 31/36 - 6 24/36= 3 7/36