作业帮已知36+(40+△)/[1-(1-1/3)x60%]=216,求三角形的值
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![已知36+(40+△)/[1-(1-1/3)x60%]=216,求三角形的值](/uploads/image/z/3703405-13-5.jpg?t=%E5%B7%B2%E7%9F%A536%2B%2840%2B%E2%96%B3%29%2F%5B1-%281-1%2F3%29x60%25%5D%3D216%2C%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E5%80%BC)
已知36+(40+△)/[1-(1-1/3)x60%]=216,求三角形的值
已知36+(40+△)/[1-(1-1/3)x60%]=216,求三角形的值
已知36+(40+△)/[1-(1-1/3)x60%]=216,求三角形的值
36+(40+△)/[1-(1-1/3)x60%]=216
(40+△)/[1-(2/3)x60%]=216-36
(40+△)/[1-40%]=180
(40+△)/60%=180
40+△=60%x180
△=108-40=68