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