1 1/16:(7 2/5-2 3/8+37,525=
1) 7 2/5-2 3/8= 7 16/40-2 15/40= 5 1/40
2)5 1/40+37,525= 5 1/40+ 37 21/40= 42 22/40= 42 11/20
3) 1 1/16:42 11/20= 17/16: 851/20= 17/16*20/851= 85/3404
(3/7+0,7-1/10)*5 5/6
1) 3/7+0,7= 3/7+7/10= 30/70+49/70= 79/70= 1 9/70
2) 1 9/70-1/10= 79/70- 7/70= 72/70= 36/35= 1 1/35
3)1 1/35*5 5/6= 36/35*35/6= 6