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a
b
=
c
d
=
e
f
=
3
4
,则
a−2c+3e
b−2d+3f
=______.
人气:282 ℃ 时间:2020-03-28 09:35:32
解答
a
b
=
c
d
=
e
f
=
3
4

a−2c+3e
b−2d+3f
=
3
4

故答案为:
3
4
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