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