-4a^2x^2+12ax-9=?4(x+y)^2-12(x+y)+9=?x^2+2x(y-z)+(z-y)^2=?(1/8a^3b^2c-4a^2b^3)(2a^2bc)^3=?(a-1/2b)^2+(a+1/2b)^2=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 10:44:48
![-4a^2x^2+12ax-9=?4(x+y)^2-12(x+y)+9=?x^2+2x(y-z)+(z-y)^2=?(1/8a^3b^2c-4a^2b^3)(2a^2bc)^3=?(a-1/2b)^2+(a+1/2b)^2=?](/uploads/image/z/8605142-62-2.jpg?t=-4a%5E2x%5E2%2B12ax-9%3D%3F4%28x%2By%29%5E2-12%28x%2By%29%2B9%3D%3Fx%5E2%2B2x%28y-z%29%2B%28z-y%29%5E2%3D%3F%281%2F8a%5E3b%5E2c-4a%5E2b%5E3%29%282a%5E2bc%29%5E3%3D%3F%28a-1%2F2b%29%5E2%2B%28a%2B1%2F2b%29%5E2%3D%3F)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 10:44:48