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