题目内容
计算
+
=______.
m2-3m |
m2-9 |
3 |
m+3 |
原式=
+
=
+
=
=1,
故答案为1.
m(m-3) |
(m+3)(m-3) |
3 |
m+3 |
=
m |
m+3 |
3 |
m+3 |
=
m+3 |
m+3 |
=1,
故答案为1.
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题目内容
m2-3m |
m2-9 |
3 |
m+3 |
m(m-3) |
(m+3)(m-3) |
3 |
m+3 |
m |
m+3 |
3 |
m+3 |
m+3 |
m+3 |