Выполните действие - (7-2 2/5 : 8/15) : 5 5/8

-(7-12/5 : 8/15) : 45/8= -(7-12/5×15/8):45/8=-(7-4.5):45/8=-2.5 × 8/45=-20/45=-4/9

- ( 7 - 2 2/5 : 8/15) : 5 5/8 = - 44/451) 2 2/5 : 8/15 = 12/5 : 8/15 = 9/2 = 4  1/22) - (7 - 4 1/2) = - 2 1/23) - 2 1/2 : 5 5/8 = - 5/2 : 45/8 = - 4/9