已知36+(40+△)/(1-(1-1/3)*60%)=261,求△的值
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![已知36+(40+△)/(1-(1-1/3)*60%)=261,求△的值](/uploads/image/z/3703406-14-6.jpg?t=%E5%B7%B2%E7%9F%A536%2B%EF%BC%8840%2B%E2%96%B3%EF%BC%89%2F%EF%BC%881-%EF%BC%881-1%2F3%EF%BC%89%2A60%25%EF%BC%89%3D261%2C%E6%B1%82%E2%96%B3%E7%9A%84%E5%80%BC)
已知36+(40+△)/(1-(1-1/3)*60%)=261,求△的值
已知36+(40+△)/(1-(1-1/3)*60%)=261,求△的值
已知36+(40+△)/(1-(1-1/3)*60%)=261,求△的值
36+(40+△)/(1-(2/3)*0.6)=261
(40+△)/(1-(2/3)*0.6)=225
(40+△)/(1-0.4)=225
40+△=225*0.6
△=335