［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．
[182-00]
(1)
[
q
]
m
=
4
(
p
＋
q
＋
r
)
(2)
[
b
]
a
=
10
(
9
b
＋
c
)
＋
5
(3)
[
c
]
a
=
7
(
9
b
＋
c
)
＋
6
(4)
q
＋
r
[
r
]
p
=
3
(5)
5
(
y
＋
z
)
[
z
]
S
=
x
(6)
[
r
]
m
=
5
(
p
＋
q
＋
r
)
(7)
[
w
]
u
=
8
(
3
v
＋
w
)
＋
3
(8)
[
q
]
p
=
9
(
q
＋
r
)
(9)
[
w
]
u
=
6
(
5
v
＋
w
)
＋
4
(10)
5
(
p
＋
q
＋
r
)
[
p
]
m
=
2
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
[
q
]
m
=
4
(
p
＋
q
＋
r
)
4
(
p
＋
q
＋
r
)
=
m
p
＋
q
＋
r
1
=
m
4
q
1
=
m
−
p
−
r
4
(2)
[
b
]
a
=
10
(
9
b
＋
c
)
＋
5
10
(
9
b
＋
c
)
=
a
−
5
9
b
＋
c
a
−
5
=
10
9
b
1
1
=
a
−
c
−
10
2
b
1
1
1
=
a
−
c
−
90
9
18
(3)
[
c
]
a
=
7
(
9
b
＋
c
)
＋
6
7
(
9
b
＋
c
)
=
a
−
6
9
b
＋
c
a
−
6
=
7
c
1
6
=
a
−
9
b
−
7
7
(4)
q
＋
r
[
r
]
p
=
3
q
＋
r
3
=
p
q
＋
r
=
3
p
r
=
3
p
−
q
(5)
5
(
y
＋
z
)
[
z
]
S
=
x
5
(
y
＋
z
)
x
=
S
y
＋
z
x
S
=
5
z
x
S
=
−
y
5
(6)
[
r
]
m
=
5
(
p
＋
q
＋
r
)
5
(
p
＋
q
＋
r
)
=
m
p
＋
q
＋
r
1
=
m
5
r
1
=
m
−
p
−
q
5
(7)
[
w
]
u
=
8
(
3
v
＋
w
)
＋
3
8
(
3
v
＋
w
)
=
u
−
3
3
v
＋
w
u
−
3
=
8
w
1
3
=
u
−
3
v
−
8
8
(8)
[
q
]
p
=
9
(
q
＋
r
)
9
(
q
＋
r
)
=
p
q
＋
r
1
=
p
9
q
1
=
p
−
r
9
(9)
[
w
]
u
=
6
(
5
v
＋
w
)
＋
4
6
(
5
v
＋
w
)
=
u
−
4
5
v
＋
w
u
−
4
=
6
w
1
2
=
u
−
5
v
−
6
3
(10)
5
(
p
＋
q
＋
r
)
[
p
]
m
=
2
5
(
p
＋
q
＋
r
)
2
=
m
p
＋
q
＋
r
2
=
m
5
p
2
=
m
−
q
−
r
5