问题已解决
老師,你好!財管第二章梁天老師講的算方差計算題(20%-12%)2次方*0.5+(10%-12%)2次方*0.3+(-5%-12%)2次方*0.2=0.91%,我按計算機算(20%-12%)2次方*0.5=0.015488,(10%-12%)2次方*0.3=0.0023232,(-5%-12%)2次方*0.2=0.0003872,三個相加0.0181984求解呀
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您好,您3個都算錯了哇,分別是0.0032和0.00012和0.00578
2024 06/16 21:04
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