［文字サイズの変更］
▼
▲
©2024 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)
4
2
[
c
]
a
=
−
b
c
5
(2)
1
[
q
]
p
=
q
r
2
(3)
3
[
q
]
p
=
q
r
4
(4)
2
[
v
]
u
=
v
3
(5)
2
[
q
]
p
=
−
q
r
5
(6)
1
[
v
]
u
=
v
3
(7)
1
[
y
]
x
=
−
y
3
(8)
1
2
[
b
]
a
=
−
b
c
5
(9)
3
[
y
]
x
=
y
5
(10)
1
2
[
c
]
a
=
b
c
4
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
4
2
[
c
]
a
=
−
b
c
5
4
2
−
b
c
5
=
a
c
5
a
=
−
2
4
b
(2)
1
[
q
]
p
=
q
r
2
1
q
r
2
=
p
q
2
p
=
r
(3)
3
[
q
]
p
=
q
r
4
3
q
r
4
=
p
q
4
p
=
3
r
(4)
2
[
v
]
u
=
v
3
2
v
3
=
u
v
3
=
u
2
(5)
2
[
q
]
p
=
−
q
r
5
2
−
q
r
5
=
p
q
5
p
=
−
2
r
(6)
1
[
v
]
u
=
v
3
1
v
3
=
u
v
=
3
u
(7)
1
[
y
]
x
=
−
y
3
1
−
y
3
=
x
y
=
−3
x
(8)
1
2
[
b
]
a
=
−
b
c
5
1
2
−
b
c
5
=
a
b
5
a
=
−
2
c
(9)
3
[
y
]
x
=
y
5
3
y
5
=
x
y
5
=
x
3
(10)
1
2
[
c
]
a
=
b
c
4
1
2
b
c
4
=
a
c
4
a
=
2
b