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»¹ÓÐÒ»¸öÎÊÌâ Ó¦¸ÃÊÇ tan0.88*x ¸Õ¸Õ´ò´íÁË ÎÞ·¨±à¼­ÁË ÔÚ´Ë˵Ã÷ÁË
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evalin(symengine, 'numeric::solve(tan(0.88*x)=1/(0.000714*x),x=0..1000)')
ans =

148.03498765407747297022030861271
showmethemoney
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