问题已解决
老師你好這道題的列式計(jì)算可以幫我寫的詳細(xì)一點(diǎn)媽
FAILED
FAILED
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您好,這是兩項(xiàng)資產(chǎn)組合的標(biāo)準(zhǔn)差:
2024 05/10 16:45
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小愛老師 
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2024 05/10 16:48
就是這個(gè)公式計(jì)算的
FAILED
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2024 05/10 16:53
好的謝謝老師
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小愛老師 
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2024 05/10 16:54
不客氣的,感謝你的提問
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老師你好這道題的列式計(jì)算可以幫我寫的詳細(xì)一點(diǎn)媽