(-(1/4)x^2)÷(-0.25x^2)^2计算(负四分之一x²)÷(-0.25x²)²

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[(x+2)/(x²+2x)-(x-1)/(x²-4x+4)]÷(x-4)/x x^2-1/x^2+4x+4÷(x+1)×x^2+3x+2/x-1计算 计算(x-4x+4/x-4减x/x+2)÷x-1/x+2 解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1 1.(x^3-x^2-4x+1)/(x^2-3x+2)-(x^3-2x^2-9x+21)/(x^2-5x+6)+(x^2-3x+8)/(x^2-4x+3)2.{(x^2)/(x-y)}*{y/(x+y)}-{(x^4y)/(x^4-y^4)}÷{(x^2/x^2+y^2)^2} 3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简 化简:((x+2)/(x^2+2x)-(x-1)/(x^2-4x+4))÷ (x-4)/ x*(2-x)^2 因式分解和计算1因式分解(x平方+x)(x平方+x-26)+1202计算(x平方+2x分之x+2减去x平方-4x+4分之x-1)÷x分之x-4×(2-x)平方 先化简再求值:(x+2/x²-2x - x-1/x²-4x+4)÷ x-4/x,其中x=3/2 2道分式计算[(x+4)(x-2)]/x³+2x²+x÷[(x-2)/x·(x+4)/(x+1)]2x/(2x-1)+x/(x-2)=2 先化简.在求值:(x+2/x²-2x-x-1/x²-4x+4)÷x²-16/x²+4x (x^24 x^23 x^22 …… x)÷(x^8+1)×(x^3+x^2-x-1)÷(x-1)÷(x^4+1)求值(x^24+x^23+x^22+……+x+1)÷(x^8+1)×(x^3+x^2-x-1)÷(x-1)÷(x^4+1) (x-1)^3(x+1)(x-2)/(x+4) (x+2)(x-2)+16 (x-1)(x-2)+3x(x+3)-4(x+2)(x-3)(x+2)(x-2)+16 (x-1)(x-2)+3x(x+3)-4(x+2)(x-3) (x-3/x^2+3x+2)*(x^2/x^2-4x+3),(x^2-1/x-1÷x^2-x/x^2-2x+1) 这两道题怎么算 分式计算 (x+2/x-2+4/x平方-4x+4)÷x/x-2*x-2/x 两道初二数学计算题(1)x+6/x^2+2x+1-x+4/x^2+x=0(2)x+3/x÷x^2+3x/x-3·1/3-x (1+x)(x-1/x²+x-1-x/x的3次方-x)3x-6/x²-4÷(x+2/x²+4x+4) -2