問(wèn)題已解決
請(qǐng)問(wèn)這個(gè)開(kāi)根號(hào)的計(jì)算過(guò)程
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速問(wèn)速答你好 搜狗輸入法的v模式
((0.32-0.19)^2*0.4+(0.17-0.19)^2*0.4+(-0.03-0.19)^2*0.2)^(1/2)=0.128840987267
要不就是挨個(gè)的計(jì)算
(0.32-0.19)^2*0.4=0.00676
(0.17-0.19)^2*0.4=0.00016
(-0.03-0.19)^2*0.2=0.00968
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2022 05/14 12:02
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