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作业:求算式 2*500/sqrt(3)*(1+ln(0.087/0.05))-390-390*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.087^2)+1) 的值.
题型:数学计算
解:
2*500/sqrt(3)*(1+ln(0.087/0.05))-390-390*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.087^2)+1)
=2*500/sqrt3*(1+ln(0.087/0.05))-390-390*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.087^2)+1)
=2*500/sqrt3*(1+ln1.74)-390-390*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.087^2)+1)
=2*500/sqrt3*1.553885-390-390*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.087^2)+1)
=2*500/sqrt3*1.553885-390-390*0.05^2/0.0075*((0.1^2/0.087^2)+1)
=2*500/sqrt3*1.553885-390-390*0.05^2/0.0075*(1.321178+1)
=2*500/sqrt3*1.553885-390-390*0.05^2/0.0075*2.321178
=2*500/1.732051*1.553885-390-390*0.05^2/0.0075*2.321178
=2*500/1.732051*1.553885-390-390*0.0025/0.0075*2.321178
=1000/1.732051*1.553885-390-390*0.0025/0.0075*2.321178
=577.350205*1.553885-390-390*0.0025/0.0075*2.321178
=897.135823-390-390*0.0025/0.0075*2.321178
=897.135823-390-0.975/0.0075*2.321178
=897.135823-390-130*2.321178
=897.135823-390-301.75314
=507.135823-301.75314
=205.382683 答案:2*500/sqrt(3)*(1+ln(0.087/0.05))-390-390*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.087^2)+1)=205.382683你的问题在这里没有得到解决?请到 热门难题 里面看看吧!