1 13/14 -(2-11/35):9/25+4/21

Question

1 13/14 -(2-11/35):9/25+4/21

Answer 1

1 13/14 -(2-11/35):9/25+4/2113/14-59/35*25/9+4/21
13/14-59/7*5/9+4/21
13/14-295/63+4/21 = -449 /126  или -3 71/126