［文字サイズの変更］
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の等式を[ ]内の変数について解きなさい．
[181-20]
(1)
1
[
c
]
a
=
b
c
5
(2)
4
[
w
]
u
=
v
w
5
(3)
3
2
[
r
]
p
=
q
r
5
(4)
1
2
[
q
]
p
=
q
r
2
(5)
1
[
q
]
p
=
q
4
(6)
2
3
[
v
]
u
=
−
v
w
3
(7)
2
[
q
]
p
=
q
r
3
(8)
3
[
q
]
p
=
−
q
r
4
(9)
1
[
q
]
p
=
−
q
5
(10)
2
[
r
]
p
=
−
q
r
3
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
1
[
c
]
a
=
b
c
5
1
b
c
5
=
a
c
5
a
=
b
(2)
4
[
w
]
u
=
v
w
5
4
v
w
5
=
u
w
5
u
=
4
v
(3)
3
2
[
r
]
p
=
q
r
5
3
2
q
r
5
=
p
r
5
p
=
2
3
q
(4)
1
2
[
q
]
p
=
q
r
2
1
2
q
r
2
=
p
q
2
p
=
2
r
(5)
1
[
q
]
p
=
q
4
1
q
4
=
p
q
=
4
p
(6)
2
3
[
v
]
u
=
−
v
w
3
2
3
−
v
w
3
=
u
v
3
u
=
−
3
2
w
(7)
2
[
q
]
p
=
q
r
3
2
q
r
3
=
p
q
3
p
=
2
r
(8)
3
[
q
]
p
=
−
q
r
4
3
−
q
r
4
=
p
q
4
p
=
−
3
r
(9)
1
[
q
]
p
=
−
q
5
1
−
q
5
=
p
q
=
−5
p
(10)
2
[
r
]
p
=
−
q
r
3
2
−
q
r
3
=
p
r
3
p
=
−
2
q