计算:1/12-5/12-6/12-1又9/20+1又11/15

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/24 02:22:35
计算:1/12-5/12-6/12-1又9/20+1又11/15
x){nueohk "@K}#m(ijTOr;'N&X.D6430961PqccF 1"W

计算:1/12-5/12-6/12-1又9/20+1又11/15
计算:1/12-5/12-6/12-1又9/20+1又11/15

计算:1/12-5/12-6/12-1又9/20+1又11/15
1/12-5/12-6/12-1又9/20+1又11/15
=(1-5-6)/12-1-9/20+1+11/15
=-5/6-9/20+11/15
=-50/60-27/60+44/60
=-33/60
=-11/20