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