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