［文字サイズの変更］
▼
▲
©2025 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
[
v
]
u
=
v
w
5
(2)
1
3
[
y
]
x
=
y
z
2
(3)
1
[
v
]
u
=
v
3
(4)
1
[
v
]
u
=
v
2
(5)
1
[
y
]
x
=
−
y
4
(6)
3
[
v
]
u
=
v
4
(7)
1
[
r
]
p
=
−
q
r
2
(8)
1
[
z
]
x
=
y
z
2
(9)
1
3
[
y
]
x
=
y
z
5
(10)
1
3
[
b
]
a
=
−
b
c
5
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
[
v
]
u
=
v
w
5
3
v
w
5
=
u
v
5
u
=
3
w
(2)
1
3
[
y
]
x
=
y
z
2
1
3
y
z
2
=
x
y
2
x
=
3
z
(3)
1
[
v
]
u
=
v
3
1
v
3
=
u
v
=
3
u
(4)
1
[
v
]
u
=
v
2
1
v
2
=
u
v
=
2
u
(5)
1
[
y
]
x
=
−
y
4
1
−
y
4
=
x
y
=
−4
x
(6)
3
[
v
]
u
=
v
4
3
v
4
=
u
v
4
=
u
3
(7)
1
[
r
]
p
=
−
q
r
2
1
−
q
r
2
=
p
r
2
p
=
−
q
(8)
1
[
z
]
x
=
y
z
2
1
y
z
2
=
x
z
2
x
=
y
(9)
1
3
[
y
]
x
=
y
z
5
1
3
y
z
5
=
x
y
5
x
=
3
z
(10)
1
3
[
b
]
a
=
−
b
c
5
1
3
−
b
c
5
=
a
b
5
a
=
−
3
c