根号0.09+1/5根号0.36

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根号0.09+1/5根号0.36

根号0.09+1/5根号0.36
根号0.09+1/5根号0.36

根号0.09+1/5根号0.36
√0.09+1/5√0.36
=√0.3²+0.2√0.6²
=0.3+0.2×0.6
=0.3+0.12
=0.42
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根号0.09+1/5根号0.36
=0.3+1/5*0.6
=0.3+0.12
=0.42

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