对任意非0实数a,b.定义新运算‘ * ’如下:a * b =(a - b) 除以 ab.求:2*1 + 3*2 + 4*3 +.+ 2008*2007 + 2009*2008 好的我一定倾家荡产都给你加赏!
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![对任意非0实数a,b.定义新运算‘ * ’如下:a * b =(a - b) 除以 ab.求:2*1 + 3*2 + 4*3 +.+ 2008*2007 + 2009*2008 好的我一定倾家荡产都给你加赏!](/uploads/image/z/2660149-37-9.jpg?t=%E5%AF%B9%E4%BB%BB%E6%84%8F%E9%9D%9E0%E5%AE%9E%E6%95%B0a%2Cb.%E5%AE%9A%E4%B9%89%E6%96%B0%E8%BF%90%E7%AE%97%E2%80%98+%2A+%E2%80%99%E5%A6%82%E4%B8%8B%EF%BC%9Aa+%2A+b+%3D%28a+-+b%29+%E9%99%A4%E4%BB%A5+ab.%E6%B1%82%EF%BC%9A2%2A1+%2B+3%2A2+%2B+4%2A3+%2B.%2B+2008%2A2007+%2B+2009%2A2008+%E5%A5%BD%E7%9A%84%E6%88%91%E4%B8%80%E5%AE%9A%E5%80%BE%E5%AE%B6%E8%8D%A1%E4%BA%A7%E9%83%BD%E7%BB%99%E4%BD%A0%E5%8A%A0%E8%B5%8F%21)
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