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