(0.4X+56)/(0.6X-56)=5/4
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(0.4X+56)/(0.6X-56)=5/4(0.4X+56)/(0.6X-56)=5/4(0.4X+56)/(0.6X-56)=5/4(0.4X+56)/(0.6X-56)=5/4(0.4X+56
(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)/(0.6X-56)=5/4
(0.4X+56)*4=(0.6X-56)*5
1.6X+224=3X-280
1.4X=504
X=360
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2)除2=71
(x+4)×(x+2)=x²+56
2x(56-X)-10=30+X
x(x-1)=56 求x的值,
x(x-1)=56×2
方程 3x(7-2x)+5x(2x-1)=4x(x-3)+56
(x+x)+(x-x)+(x/x)=11.2
X+(X+56)+5X/3=5/2(X+56)
这道题可以求出X值吗?46×(56×X)=(56-X)×(66+X)46×(56+X)=(56-X)×(66+X)
30(x-2)+(x-4)-[10(x-2)+x]=56 怎么解
10x乘3+(x+2-4)-(10x+x+2)=56
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
(0.4X+56)/(0.6X-56)=5/4
解方程 3x(7-2x)+5x(2x-1)=4x(x-3)+563x(7-2x)+5x(2x-1)=4x(x-3)+56 先化简再求值:(负3分之一xy)的平方乘【xy(2x-y)-2x(xy-y的平方)】,其中x=负二分之三,y=2
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
3÷(9x-60-2x)=0.3| 6x-3.2=4x| 0.6x+5+0.4x=25.5| 20+8(4-x)=20| 47x-6=7x+4|
用公式法解下列方程1.3x²-1=8x,2.x²-3x-1=0,3.(2x+1)(x-3)=-6x,4.x=0.4-0.6x²
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360