［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)
2
3
[
w
]
u
=
v
w
5
(2)
6
[
c
]
a
=
b
c
5
(3)
2
[
v
]
u
=
−
v
w
5
(4)
1
[
y
]
x
=
−
y
4
(5)
3
[
c
]
a
=
−
b
c
4
(6)
3
[
q
]
p
=
q
r
4
(7)
2
[
q
]
p
=
−
q
3
(8)
1
[
q
]
p
=
q
r
2
(9)
4
[
q
]
p
=
q
5
(10)
1
[
c
]
a
=
−
b
c
2
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
3
[
w
]
u
=
v
w
5
2
3
v
w
5
=
u
w
5
u
=
3
2
v
(2)
6
[
c
]
a
=
b
c
5
6
b
c
5
=
a
c
5
a
=
6
b
(3)
2
[
v
]
u
=
−
v
w
5
2
−
v
w
5
=
u
v
5
u
=
−
2
w
(4)
1
[
y
]
x
=
−
y
4
1
−
y
4
=
x
y
=
−4
x
(5)
3
[
c
]
a
=
−
b
c
4
3
−
b
c
4
=
a
c
4
a
=
−
3
b
(6)
3
[
q
]
p
=
q
r
4
3
q
r
4
=
p
q
4
p
=
3
r
(7)
2
[
q
]
p
=
−
q
3
2
−
q
3
=
p
q
3
=
−
p
2
(8)
1
[
q
]
p
=
q
r
2
1
q
r
2
=
p
q
2
p
=
r
(9)
4
[
q
]
p
=
q
5
4
q
5
=
p
q
5
=
p
4
(10)
1
[
c
]
a
=
−
b
c
2
1
−
b
c
2
=
a
c
2
a
=
−
b