解方程.5分之4×4分之1-2分之1X=20分之1

发布时间:2021-02-18 11:09:49

解方程.5分之4×4分之1-2分之1X=20分之1

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5分之4×4分之1-2分之1X=20分之1
5分之1-2分之1x=20分之1
2分之1x=5分之1 -20分之1
2分之1x=20分之3
x=20分之3÷2分之1
x=10分之3
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