已知a,b,c是△ABC的三边长,化简:(a-b+c)²根号+(a+b-c)²根号+(a+b-c)²根号.应该等于a+B+c
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![已知a,b,c是△ABC的三边长,化简:(a-b+c)²根号+(a+b-c)²根号+(a+b-c)²根号.应该等于a+B+c](/uploads/image/z/1742065-25-5.jpg?t=%E5%B7%B2%E7%9F%A5a%2Cb%2Cc%E6%98%AF%E2%96%B3ABC%E7%9A%84%E4%B8%89%E8%BE%B9%E9%95%BF%2C%E5%8C%96%E7%AE%80%EF%BC%9A%EF%BC%88a-b%2Bc%29%26%23178%3B%E6%A0%B9%E5%8F%B7%2B%EF%BC%88a%2Bb-c%29%26%23178%3B%E6%A0%B9%E5%8F%B7%2B%28a%2Bb-c%29%26%23178%3B%E6%A0%B9%E5%8F%B7.%E5%BA%94%E8%AF%A5%E7%AD%89%E4%BA%8Ea%2BB%2Bc)
已知a,b,c是△ABC的三边长,化简:(a-b+c)²根号+(a+b-c)²根号+(a+b-c)²根号.应该等于a+B+c
已知a,b,c是△ABC的三边长,化简:(a-b+c)²根号+(a+b-c)²根号+(a+b-c)²根号.
应该等于a+B+c
已知a,b,c是△ABC的三边长,化简:(a-b+c)²根号+(a+b-c)²根号+(a+b-c)²根号.应该等于a+B+c
化简:(a-b+c)²根号+(a+b-c)²根号+(a+b-c)²根号=a-b+c+a+b-c+a+b-c=3a+b-c
【三角形的性质两笔之和大于第三边.开方和根号正好抵消.】