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