√2x/5-√2x-3.6/5=0.2 这道题怎么计算得出x?_数学解答

√2x/5-√2x-3.6/5=0.2 这道题怎么计算得出x?

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解答

√2x/5-√2x-3.6/5=0.2
4√2x/5-3.6/5=0.2
4√2x-3.6=0.2 *5=1
4√2x=1+3.6=4.6
x=4.6/(4√2)=0.8132