x-0.2.x=180
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x-0.2.x=180x-0.2.x=180x-0.2.x=180解:0.8x=180x=180÷0.8x=225x-0.2x=1800.8x=180x=225X(1-0.2)=180→0.8X=18
x-0.2.x=180
x-0.2.x=180
x-0.2.x=180
解:0.8x=180
x=180÷0.8
x=225
x-0.2x=180
0.8x=180
x=225
X(1-0.2)=180→0.8X=180→X=225.。望采纳!
x-0.2.x=180
180=( )x( )x( )x( ) ×( )
(X+X)+(X-X)+(X*X)+(X/X)=100
180=( )x( )=( )X( )=( )X( )
x-30-0.2x=0.5x
x-0.2x=80 求x
(X-0.25X)+(180-X)+0.2*(180-X)=180怎么解?
(X-8)/X=0.2(X-8)/X=0.2
(x-1)+(x+2)+0.2x+2x=46
(x-2)+(x+2)+(x/2)+(2*x)=180
X-X×0.2=1.18
x-0.2x=36
x=120+(x ×0.2)
X+¼X=180
x+180%x=3.2
180-x/x=18%
(X-180)/X=0.3
x =2.5(x-180)