题目内容
如图,正方形ABCD中,M是边BC上一点,且BM=
BC,若
=
,
=
,则
=______(用
和
表示)
1 |
4 |
AB |
a |
AD |
b |
DM |
a |
b |
DC |
AB |
a |
BC |
AD |
b |
∵BM=
1 |
4 |
∴
BM |
1 |
4 |
BC |
MC |
3 |
4 |
BC |
3 |
4 |
b |
∴
DM |
DC |
MC |
a |
3 |
4 |
b |
故答案为:
a |
3 |
4 |
b |
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题目内容
1 |
4 |
AB |
a |
AD |
b |
DM |
a |
b |
DC |
AB |
a |
BC |
AD |
b |
1 |
4 |
BM |
1 |
4 |
BC |
MC |
3 |
4 |
BC |
3 |
4 |
b |
DM |
DC |
MC |
a |
3 |
4 |
b |
a |
3 |
4 |
b |