［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．
[181-00]
(1)
3
[
c
]
a
=
4
b
c
(2)
[
q
]
p
=
2
q
r
(3)
[
c
]
a
=
9
b
c
(4)
2
[
b
]
a
=
3
b
c
(5)
[
v
]
u
=
2
v
(6)
[
y
]
x
=
6
y
z
(7)
[
c
]
a
=
4
b
c
(8)
[
q
]
p
=
8
q
r
(9)
[
y
]
x
=
10
y
(10)
[
b
]
a
=
5
b
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
[
c
]
a
=
4
b
c
3
4
b
c
=
a
c
a
=
3
4
b
(2)
[
q
]
p
=
2
q
r
2
q
r
=
p
q
p
=
2
r
(3)
[
c
]
a
=
9
b
c
9
b
c
=
a
c
a
=
9
b
(4)
2
[
b
]
a
=
3
b
c
2
3
b
c
=
a
b
a
=
2
3
c
(5)
[
v
]
u
=
2
v
2
v
=
u
v
1
=
u
2
(6)
[
y
]
x
=
6
y
z
6
y
z
=
x
y
x
=
6
z
(7)
[
c
]
a
=
4
b
c
4
b
c
=
a
c
a
=
4
b
(8)
[
q
]
p
=
8
q
r
8
q
r
=
p
q
p
=
8
r
(9)
[
y
]
x
=
10
y
10
y
=
x
y
1
=
x
10
(10)
[
b
]
a
=
5
b
5
b
=
a
b
1
=
a
5