Question

ПОМАГИТЕЕЕЕЕЕЕ я не могу решить​

Answer 1

б) 4 4/19-5/12-3 3/14-3 1/12+1 1/14 = 80/19-5/12-45/14-37/12+15/14 = 80/19-42/12-30/14 = 80/19-7/2-15/7 = 1120-931-570/266 = -381/266 = -1 115/266