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