(1)|4x-1|=9 (2)2|x-3|+5=13
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(1)|4x-1|=9(2)2|x-3|+5=13(1)|4x-1|=9(2)2|x-3|+5=13(1)|4x-1|=9(2)2|x-3|+5=13|4x-1|=94x-1=±34x=4或4x=-2
(1)|4x-1|=9 (2)2|x-3|+5=13
(1)|4x-1|=9 (2)2|x-3|+5=13
(1)|4x-1|=9 (2)2|x-3|+5=13
|4x-1|=9
4x-1=±3
4x=4或4x=-2
x=1或x=-½
2|x-3|+5=13
2|x-3|=8
|x-3|=4
x-3=±4
x=7或x=-1
|4x-1|=9
4x-1=±9
x=5/2 x=-2
2|x-3|+5=13
|x-3|=4
x-3=±4
x=7 x=-1
x=+2 -2 x=7 -1
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
解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x-
1、x*(x+3)*(x+6)*(x+9)=68040 2、x*(x+1)*(x+2)*(x+3)*(x+4)=55440
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
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(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8(2) 已知x+3/(x-2)^2=A/x-2 + B/(x-2)^2 ,求A和B的值.
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(1)(2x/x-1)-(x-1/x)=1 (2)(x^2-4x/x^2-1)+1=2x/x+1 (3)(x+4/x^2+2x)-(1/x+2)=(2/x)+1
x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2(x+5)/(x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2
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先化简,再求值:(1)(x+1/x²-x-x/x²-2x+1)÷1/x,x=根号2+1 (2)(1+x-3/x+3)÷2x/x²-9 x=根号3+3 (3)4-x/x-2÷(x+2-12/x-2)x=根号3-4 (4)x-3/2x-4÷(5/x-2-x-2) x=根号3-2
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1.(x²-9)/(x²+2x²+x)*(3x³+9x²)/(x³-3x),其中x=-1/32.2x/(x³+2x²+x)除以(x-1)/(x²+x),其中x=-23.(4x²-1)/(2-4x)除以(4x²+4x+1)/x,其中x=-1/4
1.(x²-9)/(x²+2x²+x)*(3x³+9x²)/(x³-3x),其中x=-1/32.2x/(x³+2x²+x)除以(x-1)/(x²+x),其中x=-23.(4x²-1)/(2-4x)除以(4x²+4x+1)/x,其中x=-1/4