3/7*5/6+3/8+1/12rt 那个是分数线

问题描述:

3/7*5/6+3/8+1/12
rt 那个是分数线

3/7*5/6+3/8+1/12
=5/14+3/8+1/12
=60/168+63/168+14/168
=137/168