计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?

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计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?
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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)=?

计算:(+13 1/23)+(-55 1/33)+(+7 21/46)+(-14 5/66)=?
(+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