深南雁lf-118c-a 算方差http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%C9%EE%C4%CF%D1%E3lf%2D118c%2Da+%CD%BC&in=28408&cl=2&cm=1&sc=0&lm=-1&pn=1&rn=1&di=27883694640&ln=3&fr=ala0&ic=0&s=0&se=1#pn1 这台 如何操作 算方差
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![深南雁lf-118c-a 算方差http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%C9%EE%C4%CF%D1%E3lf%2D118c%2Da+%CD%BC&in=28408&cl=2&cm=1&sc=0&lm=-1&pn=1&rn=1&di=27883694640&ln=3&fr=ala0&ic=0&s=0&se=1#pn1 这台 如何操作 算方差](/uploads/image/z/6945476-68-6.jpg?t=%E6%B7%B1%E5%8D%97%E9%9B%81lf-118c-a+%E7%AE%97%E6%96%B9%E5%B7%AEhttp%3A%2F%2Fimage.baidu.com%2Fi%3Fct%3D503316480%26z%3D0%26tn%3Dbaiduimagedetail%26word%3D%25C9%25EE%25C4%25CF%25D1%25E3lf%252D118c%252Da%2B%25CD%25BC%26in%3D28408%26cl%3D2%26cm%3D1%26sc%3D0%26lm%3D-1%26pn%3D1%26rn%3D1%26di%3D27883694640%26ln%3D3%26fr%3Dala0%26ic%3D0%26s%3D0%26se%3D1%23pn1+%E8%BF%99%E5%8F%B0+%E5%A6%82%E4%BD%95%E6%93%8D%E4%BD%9C+%E7%AE%97%E6%96%B9%E5%B7%AE)
深南雁lf-118c-a 算方差http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%C9%EE%C4%CF%D1%E3lf%2D118c%2Da+%CD%BC&in=28408&cl=2&cm=1&sc=0&lm=-1&pn=1&rn=1&di=27883694640&ln=3&fr=ala0&ic=0&s=0&se=1#pn1 这台 如何操作 算方差
深南雁lf-118c-a 算方差
http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%C9%EE%C4%CF%D1%E3lf%2D118c%2Da+%CD%BC&in=28408&cl=2&cm=1&sc=0&lm=-1&pn=1&rn=1&di=27883694640&ln=3&fr=ala0&ic=0&s=0&se=1#pn1 这台 如何操作 算方差呢 100分给你们
深南雁lf-118c-a 算方差http://image.baidu.com/i?ct=503316480&z=0&tn=baiduimagedetail&word=%C9%EE%C4%CF%D1%E3lf%2D118c%2Da+%CD%BC&in=28408&cl=2&cm=1&sc=0&lm=-1&pn=1&rn=1&di=27883694640&ln=3&fr=ala0&ic=0&s=0&se=1#pn1 这台 如何操作 算方差
按一个数 在按一下m+键 这叫输入数据 按完后按and 在按 rm , sto 计算方差