［文字サイズの変更］
▼
▲
©2025 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)
[
w
]
u
=
10
v
w
(2)
[
b
]
a
=
2
b
(3)
2
[
w
]
u
=
3
v
w
(4)
2
[
v
]
u
=
3
v
w
(5)
[
w
]
u
=
4
v
w
(6)
[
c
]
a
=
8
b
c
(7)
[
y
]
x
=
2
y
(8)
2
[
z
]
x
=
8
y
z
(9)
2
[
y
]
x
=
9
y
z
(10)
2
[
y
]
x
=
10
y
z
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
[
w
]
u
=
10
v
w
10
v
w
=
u
w
u
=
10
v
(2)
[
b
]
a
=
2
b
2
b
=
a
b
1
=
a
2
(3)
2
[
w
]
u
=
3
v
w
2
3
v
w
=
u
w
u
=
2
3
v
(4)
2
[
v
]
u
=
3
v
w
2
3
v
w
=
u
v
u
=
2
3
w
(5)
[
w
]
u
=
4
v
w
4
v
w
=
u
w
u
=
4
v
(6)
[
c
]
a
=
8
b
c
8
b
c
=
a
c
a
=
8
b
(7)
[
y
]
x
=
2
y
2
y
=
x
y
1
=
x
2
(8)
2
[
z
]
x
=
8
y
z
2
8
y
z
=
x
z
x
=
2
8
y
(9)
2
[
y
]
x
=
9
y
z
2
9
y
z
=
x
y
x
=
2
9
z
(10)
2
[
y
]
x
=
10
y
z
2
10
y
z
=
x
y
x
=
2
10
z