66=X+0.25X求X

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66=X+0.25X求X
66=X+0.25X求X

66=X+0.25X求X
9.66=X+0.25X
1.25x=9.66
解得x=7.728

有什么不明白的可以继续追问,望采纳!

9.66=x(1+1/4)
9.66=x*5/4
9.66*4=5x
x=9.66*0.8=7.728

9.66=X+0.25X
9.66=1.25X
X=9.66/1.25
X=7.728
希望能帮到你！

9.66=x+0.25x
9.66=1.25x
x=9.66/1.25
x=966/125
x=7.728

9.66=x+0.25x
9.66=1.25x
x=7.728

x=9.41望采纳，希望能帮到你

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