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