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