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