(x÷1-7\3)+(x÷1-19\3)=200
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![(x÷1-7\3)+(x÷1-19\3)=200](/uploads/image/z/94487-23-7.jpg?t=%EF%BC%88x%C3%B71%EF%BC%8D7%5C3%EF%BC%89%EF%BC%8B%EF%BC%88x%C3%B71%EF%BC%8D19%5C3%EF%BC%89%EF%BC%9D200)
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(x÷1-7\3)+(x÷1-19\3)=200
(x÷1-7\3)+(x÷1-19\3)=200
(x÷1-7\3)+(x÷1-19\3)=200
式子看的不明白,照个照片吧
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x^7÷x^2×x^3-2(x^2)^3×x^2+(x^2)^6÷(-x)^4+[(x^3÷x^2÷x)^0+1]^2 其中x≠0
先化简,再求值:x×x³+(-4x²)²+24x∧7÷(-3x³) 其中x=-2.
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1/2x-(x+y/2x -x-y)÷(x+y)