X+X=X X-X=X X-X=X 1到9怎么放进去而且不重复?
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![X+X=X X-X=X X-X=X 1到9怎么放进去而且不重复?](/uploads/image/z/7629411-3-1.jpg?t=X%2BX%3DX+X-X%3DX+X-X%3DX+1%E5%88%B09%E6%80%8E%E4%B9%88%E6%94%BE%E8%BF%9B%E5%8E%BB%E8%80%8C%E4%B8%94%E4%B8%8D%E9%87%8D%E5%A4%8D%3F)
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X+X=X X-X=X X-X=X 1到9怎么放进去而且不重复?
X+X=X X-X=X X-X=X 1到9怎么放进去而且不重复?
X+X=X X-X=X X-X=X 1到9怎么放进去而且不重复?
963-218=745
981-745=236
752+184=936
(X+X)+(X-X)+(X*X)+(X/X)=100
x*x*x*x*x=80000?
X(X-1)=X
x>=1,x
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x*x*x=504 x*x*x=504
(x+x)+(x-x)+(x/x)=11.2
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
f(x)=x,x
x+x=x+15
180=( )x( )x( )x( ) ×( )
x/x平方-x+2=2x/x+1
(X+1)X(X+2)X(X+3)=504
(x+30)*(x-18)=x*x
x+ x+(x*50%)=1.5X?
f(x)=x^2+x (x
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.