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