x/1.44=0.4 x=?

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x/1.44=0.4 x=?
x/1.44=0.4 x=?

x/1.44=0.4 x=?
x=0.4*1.44=0.576

x÷1.44=0.4 x=6.264

（X+X)+(X-X)+(X*X)+(X/X)=100 x/1.44=0.4 x=? x/1.44=0.4 x=? x*x*x*x*x=80000? x-0.8x=0.4x=? X-0.4X=36 X+0.4X=21 X-0.4X=0.54 x-0.4x=0. 0.4X=X-50 X-0.4x=0.39 0.2x+0.4x=12 x=?20x+x=420 x=? x*x*x=504 x*x*x=504 （x+x）+(x-x)+(x/x)=11.2 f(x)=x,x x+x=x+15 X(X-1)=X 180=( )x( )x( )x( ) ×( )