Bitcoin address: bc1p8cxamwhd2f0yy8fam64at8mzp2g9m57xfllzf7fkwq73zr78rzqqfz2us7
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e=2.71828.btc#75,339,944texteiπ+1=0.btc#75,332,671text3abc.btc#75,332,670text7abc.btc#75,332,669text5abc.btc#75,332,668text6abc.btc#75,332,667text2abc.btc#75,332,666text9abc.btc#75,332,665text8abc.btc#75,332,664text4abc.btc#75,332,663texteiθ=cosθ+isinθ.btc#75,332,662textsinα²+cosα²=1.btc#75,332,661textr=a(1-sinθ）.btc#75,332,660texte-v+f=2.btc#75,332,658textλ=h/mv.btc#75,332,657texts=πr².btc#75,332,656text(y²+x²)/r²=1.btc#75,332,655textb股.btc#75,196,716textb股.btc#75,196,715textb股.btc#75,196,714textb股.btc#75,196,713text