Question

11/18+5/24-5/12 7/24-5/12+5/36 8/9-5/12-7/18 3/4+1/2-7/18 分数

Answer 1

8/11+4/9+5/9+3/11=（8/11+3/11）+（4/9+5/9）=1+1=2

5/9-(11/12-4/9)=5/9+4/9-11/12=1-11/12=1/12

2/3-5/12+1/3-5/12=2/3+1/3-(5/12+5/12)=1-10/12=1/6