［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．
[181-00]
(1)
[
y
]
x
=
7
y
(2)
3
[
y
]
x
=
9
y
z
(3)
[
b
]
a
=
6
b
(4)
[
q
]
p
=
9
q
(5)
[
b
]
a
=
2
b
(6)
[
v
]
u
=
4
v
(7)
[
y
]
x
=
9
y
(8)
[
b
]
a
=
2
b
(9)
[
b
]
a
=
2
b
(10)
[
q
]
p
=
7
q
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
[
y
]
x
=
7
y
7
y
=
x
y
1
=
x
7
(2)
3
[
y
]
x
=
9
y
z
3
9
y
z
=
x
y
x
=
3
9
z
(3)
[
b
]
a
=
6
b
6
b
=
a
b
1
=
a
6
(4)
[
q
]
p
=
9
q
9
q
=
p
q
1
=
p
9
(5)
[
b
]
a
=
2
b
2
b
=
a
b
1
=
a
2
(6)
[
v
]
u
=
4
v
4
v
=
u
v
1
=
u
4
(7)
[
y
]
x
=
9
y
9
y
=
x
y
1
=
x
9
(8)
[
b
]
a
=
2
b
2
b
=
a
b
1
=
a
2
(9)
[
b
]
a
=
2
b
2
b
=
a
b
1
=
a
2
(10)
[
q
]
p
=
7
q
7
q
=
p
q
1
=
p
7