5.7x+42.24=111.7x
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5.7x+42.24=111.7x5.7x+42.24=111.7x5.7x+42.24=111.7x我来帮你很容易的5.7x+42.24=111.7x即(111.7-5.7)x=42.24x=0.3
5.7x+42.24=111.7x
5.7x+42.24=111.7x
5.7x+42.24=111.7x
我来帮你 很容易的 5.7x+42.24=111.7x
即 (111.7-5.7)x=42.24
x=0.398
x=0.398
5.7x+42.24=111.7x
(X+X)+(X-X)+(X*X)+(X/X)=100
x-0.25x =5.7
x+0.9x=5.7
x*x*x*x*x=80000?
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!)+.
方程.9.3x +5.7x =4.5
解方程:x-0.05x=5.7
x=?x=?