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