2(4x-0.5)
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2(4x-0.5)2(4x-0.5) 2(4x-0.5)一采秒答
2(4x-0.5)
2(4x-0.5)
2(4x-0.5)
一采秒答
先化简再求值先化简再求值:(x-x/x+1)(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5
1、lim(x->无穷大) e^x arctanx2、lim(x->0)sinx√1+sin(1/x)3、lim(x->无穷大)【(√x^2+x+1)-【(√x^2-x+1)】4、lim(x->无穷大)((x+{x+(x)^0.5]^0.5}^0.5)/(2x+1)^0.55、lim(x->0)(sin3x+x^2sin1/x)/((1+cosx)x)6、lim(n->无穷大)(2^n)(si
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
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
请问0.3/0.5=x+1/2x-1 x/5-x/6 3(x+2)=4(x+1)3.2/x=0.5 这些题咋做
先化简,再求值 x(2x+1)(1-2x)-4x(x-1)(1-x)x等于-0.5
X+X+2+X+4-(X+4)=26
(16x^4+4x^2+x)/x=?
(x^2-4x)/x^2-8x+16
(x-4/x)× x/x-2 等于?
(x-1)^3(x+1)(x-2)/(x+4)
1、x+2+3x=42、 2x+2(x-1)=3/43、 x+2.5=2x-1 3/44、(x-2+3x)/0.5=45、5x=4(x+2)
5*(x-2)=4*(x+3) 2x+(50-x)*4=140 3x-(8-x)=20*4 200x=(x-0.5)*240 12x+34=14*(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)
3x²-【5x-(0.5x-3)+2x²】(其中x=-4)
计算:(x+2/x^2-2x-x-1/x^2-4x+4)×x/4-x
分式计算 (x+2/x-2+4/x平方-4x+4)÷x/x-2*x-2/x
(x+2/x^2-2x-x-1/x^2-4x+4)/x-4/x因式分解