题目内容
若2,m,4为三角形三边,化简:
+
=______.
(m-2)2 |
(m-6)2 |
∵2,m,4为三角形三边,
∴2<m<6,
∴原式=|m-2|+|m-6|,
=m-2-(m-6),
=m-2-m+6,
=4.
故答案为4.
∴2<m<6,
∴原式=|m-2|+|m-6|,
=m-2-(m-6),
=m-2-m+6,
=4.
故答案为4.
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题目内容
(m-2)2 |
(m-6)2 |