简便计算:2又五分之二×(5/6+3/4)-1/12
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 10:48:02
![简便计算:2又五分之二×(5/6+3/4)-1/12](/uploads/image/z/339319-55-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3A2%E5%8F%88%E4%BA%94%E5%88%86%E4%B9%8B%E4%BA%8C%C3%97%285%2F6%2B3%2F4%29-1%2F12)
x){ɾ/-|n'0XB;MJ$
简便计算:2又五分之二×(5/6+3/4)-1/12
简便计算:2又五分之二×(5/6+3/4)-1/12
简便计算:2又五分之二×(5/6+3/4)-1/12
2又五分之二×(5/6+3/4)-1/12
=12/5×5/6+12/5×3/4-1/12
=2+9/5-1/12
=2+103/60
=223/60
2又五分之二×(5/6+3/4)-1/12
=12/5*(5/6+3/4)-1/12
=12/5*5/6+12/5*3/4-1/12
=2+9/5-1/12
=3又43/60对不起,题目出错了,是:2又五分之四×(5/6+3/4)-1/122又五分之四×(5/6+3/4)-1/12 =14/5*(5/6+3/4)-1/12 =14/5*5/6+14/5*3/4-...
全部展开
2又五分之二×(5/6+3/4)-1/12
=12/5*(5/6+3/4)-1/12
=12/5*5/6+12/5*3/4-1/12
=2+9/5-1/12
=3又43/60
收起