一元一次方程的应用【速度】(1)已知x,y互为倒数,c,d互为相反数,a的绝对值为3,z的算术平方根为5,求c2-d2+xy+a分之√z的值.(2)一个正方形的体积变为原来的8倍,他的长变为原来的多少倍?
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![一元一次方程的应用【速度】(1)已知x,y互为倒数,c,d互为相反数,a的绝对值为3,z的算术平方根为5,求c2-d2+xy+a分之√z的值.(2)一个正方形的体积变为原来的8倍,他的长变为原来的多少倍?](/uploads/image/z/8857772-44-2.jpg?t=%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E5%BA%94%E7%94%A8%E3%80%90%E9%80%9F%E5%BA%A6%E3%80%91%EF%BC%881%EF%BC%89%E5%B7%B2%E7%9F%A5x%2Cy%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2Cc%2Cd%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2Ca%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E4%B8%BA3%2Cz%E7%9A%84%E7%AE%97%E6%9C%AF%E5%B9%B3%E6%96%B9%E6%A0%B9%E4%B8%BA5%2C%E6%B1%82c2%EF%BC%8Dd2%EF%BC%8Bxy%EF%BC%8Ba%E5%88%86%E4%B9%8B%E2%88%9Az%E7%9A%84%E5%80%BC.%EF%BC%882%EF%BC%89%E4%B8%80%E4%B8%AA%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%9A%84%E4%BD%93%E7%A7%AF%E5%8F%98%E4%B8%BA%E5%8E%9F%E6%9D%A5%E7%9A%848%E5%80%8D%2C%E4%BB%96%E7%9A%84%E9%95%BF%E5%8F%98%E4%B8%BA%E5%8E%9F%E6%9D%A5%E7%9A%84%E5%A4%9A%E5%B0%91%E5%80%8D%3F)
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