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