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