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