6.7x-60.3=6.7 x=

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6.7x-60.3=6.7x=6.7x-60.3=6.7x=6.7x-60.3=6.7x=6.7x-60.3=6.76.7x=6.7+60.36.7x=67x=67÷6.7x=106.7x=67x=1

6.7x-60.3=6.7 x=
6.7x-60.3=6.7 x=

6.7x-60.3=6.7 x=
6.7x-60.3=6.7
6.7x=6.7+60.3
6.7x=67
x=67÷6.7
x=10

6.7x=67
x=10

6.7x-60.3=6.7 x= （X+X)+(X-X)+(X*X)+(X/X)=100 x*x*x*x*x=80000? 25/x=5 6.7-x=0.34 3.5x=0.15+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( ) ×( ) (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!)+. 解方程；3x（66-3x）=36 16x+6.7-4x=66.7 x+2x/4=18 9x-6.7=3.2 x=?x=? x-40%x=