初高中衔接数学题 求详细过程!急!1.分解因式 a3(b-c)+b3c(c-a)+c3(a-b) a3+b3+c3+bc(b+c)+ca(c+a)+ab(a+b) 2..已知a+b+c=0 a2+b2+c2=1 求下列各式的值 (1)bc+ca+ab (2)a4+b4+c4求过程阿 !谢谢了!后面的数字都是平
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![初高中衔接数学题 求详细过程!急!1.分解因式 a3(b-c)+b3c(c-a)+c3(a-b) a3+b3+c3+bc(b+c)+ca(c+a)+ab(a+b) 2..已知a+b+c=0 a2+b2+c2=1 求下列各式的值 (1)bc+ca+ab (2)a4+b4+c4求过程阿 !谢谢了!后面的数字都是平](/uploads/image/z/1690769-65-9.jpg?t=%E5%88%9D%E9%AB%98%E4%B8%AD%E8%A1%94%E6%8E%A5%E6%95%B0%E5%AD%A6%E9%A2%98+%E6%B1%82%E8%AF%A6%E7%BB%86%E8%BF%87%E7%A8%8B%21%E6%80%A5%211.%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F+a3%EF%BC%88b-c%29%2Bb3c%28c-a%29%2Bc3%28a-b%29+a3%2Bb3%2Bc3%2Bbc%28b%2Bc%29%2Bca%28c%2Ba%29%2Bab%28a%2Bb%29+2..%E5%B7%B2%E7%9F%A5a%2Bb%2Bc%3D0+a2%2Bb2%2Bc2%3D1+%E6%B1%82%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E7%9A%84%E5%80%BC+%EF%BC%881%EF%BC%89bc%2Bca%2Bab+%EF%BC%882%EF%BC%89a4%2Bb4%2Bc4%E6%B1%82%E8%BF%87%E7%A8%8B%E9%98%BF+%21%E8%B0%A2%E8%B0%A2%E4%BA%86%21%E5%90%8E%E9%9D%A2%E7%9A%84%E6%95%B0%E5%AD%97%E9%83%BD%E6%98%AF%E5%B9%B3)
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