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