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