已知a大于0,b小于0,c小于0,且/a/大于/b/,/c/大于/a/,化简式子/a+c/-/b+c/-/a+b/的值
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![已知a大于0,b小于0,c小于0,且/a/大于/b/,/c/大于/a/,化简式子/a+c/-/b+c/-/a+b/的值](/uploads/image/z/6969769-25-9.jpg?t=%E5%B7%B2%E7%9F%A5a%E5%A4%A7%E4%BA%8E0%2Cb%E5%B0%8F%E4%BA%8E0%2Cc%E5%B0%8F%E4%BA%8E0%2C%E4%B8%94%2Fa%2F%E5%A4%A7%E4%BA%8E%2Fb%2F%2C%2Fc%2F%E5%A4%A7%E4%BA%8E%2Fa%2F%2C%E5%8C%96%E7%AE%80%E5%BC%8F%E5%AD%90%2Fa%2Bc%2F-%2Fb%2Bc%2F-%2Fa%2Bb%2F%E7%9A%84%E5%80%BC)
已知a大于0,b小于0,c小于0,且/a/大于/b/,/c/大于/a/,化简式子/a+c/-/b+c/-/a+b/的值
已知a大于0,b小于0,c小于0,且/a/大于/b/,/c/大于/a/,化简式子/a+c/-/b+c/-/a+b/的值
已知a大于0,b小于0,c小于0,且/a/大于/b/,/c/大于/a/,化简式子/a+c/-/b+c/-/a+b/的值
/a+c/-/b+c/-/a+b/
=a+c-(-b-c)-a-b
=a+c+b+c-a-b
=2c