(x-180)*5.5-4.2X=440 怎么算啊
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(x-180)*5.5-4.2X=440怎么算啊(x-180)*5.5-4.2X=440怎么算啊(x-180)*5.5-4.2X=440怎么算啊(x-180)*5.5-4.2X=4405.5X-990
(x-180)*5.5-4.2X=440 怎么算啊
(x-180)*5.5-4.2X=440 怎么算啊
(x-180)*5.5-4.2X=440 怎么算啊
(x-180)*5.5-4.2X=440
5.5X-990-4.2X=440
5.5X-4.2X=440+990
1.3X=1430
X=1430/1.3
X=1100
5.5X-5.5×180-4.2X=440
1.3X-990=440
1.3X=1430
X=1100
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-180)*5.5-4.2X=440 怎么算啊
180=( )x( )x( )x( ) ×( )
(x+x)+(x-x)+(x/x)=11.2
x+(x-1)+(x+1)+(x+10)+(x-10)=440
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
2(12.5X-6.5X-X)=4.2
(x/5+180)+ 2*(x/5+180) = x
x+0.1+(2.8+x)=5.5
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
(X+X)+(X-X)+(X*X)+(X/X)=100
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
180=( )x( )=( )X( )=( )X( )
x/(120-x)=x/60
已知x除以(x*x-x+1)=7,求x*x除以(x*x*x*x+x*x+1)的值
5.5x-7.6=0.5(x-4.8) 5.5x-7.6=0.5(x-4.8)
440--X=10%X
20%x+80%(x-180)=32%(x+x-180)怎么算