计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/07/18 22:58:20
计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?
![计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?](/uploads/image/z/6509960-8-0.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%88%2B13+1%2F23%EF%BC%89%2B%EF%BC%88-55+1%2F33%EF%BC%89%2B%EF%BC%88%2B7+21%2F46%EF%BC%89%2B%EF%BC%88-14+5%2F66%EF%BC%89%3D%3F)
(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66) =13 1/23+ 7 21/46-(55 1/33+ 14 5/66) =300/23+343/46-(1816/33+929/66) =(600+343)/46-(3632+929)/66 =41/2-4561/66 =(41*33-4561)/66 =-3208/66 =-1604/33 =-48 20/33