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