［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．
[182-00]
(1)
[
q
]
p
=
3
(
q
＋
r
)
(2)
[
y
]
x
=
4
(
y
＋
z
)
(3)
(
v
＋
w
)
B
[
v
]
u
=
6
(4)
(
y
＋
z
)
r
[
z
]
x
=
7
(5)
(
y
＋
z
)
r
[
z
]
x
=
6
(6)
[
w
]
u
=
3
(
9
v
＋
w
)
＋
10
(7)
[
r
]
p
=
4
(
q
＋
r
)
(8)
[
b
]
X
=
5
(
a
＋
b
＋
c
)
(9)
[
x
]
S
=
3
(
x
＋
y
＋
z
)
(10)
[
v
]
u
=
8
(
v
＋
w
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
[
q
]
p
=
3
(
q
＋
r
)
3
(
q
＋
r
)
=
p
q
＋
r
1
=
p
3
q
1
=
p
−
r
3
(2)
[
y
]
x
=
4
(
y
＋
z
)
4
(
y
＋
z
)
=
x
y
＋
z
1
=
x
4
y
1
=
x
−
z
4
(3)
(
v
＋
w
)
B
[
v
]
u
=
6
(
v
＋
w
)
B
6
=
u
v
＋
w
6
u
=
B
v
6
u
=
−
w
B
(4)
(
y
＋
z
)
r
[
z
]
x
=
7
(
y
＋
z
)
r
7
=
x
y
＋
z
7
x
=
r
z
7
x
=
−
y
r
(5)
(
y
＋
z
)
r
[
z
]
x
=
6
(
y
＋
z
)
r
6
=
x
y
＋
z
6
x
=
r
z
6
x
=
−
y
r
(6)
[
w
]
u
=
3
(
9
v
＋
w
)
＋
10
3
(
9
v
＋
w
)
=
u
−
10
9
v
＋
w
u
−
10
=
3
w
1
10
=
u
−
9
v
−
3
3
(7)
[
r
]
p
=
4
(
q
＋
r
)
4
(
q
＋
r
)
=
p
q
＋
r
1
=
p
4
r
1
=
p
−
q
4
(8)
[
b
]
X
=
5
(
a
＋
b
＋
c
)
5
(
a
＋
b
＋
c
)
=
X
a
＋
b
＋
c
1
=
X
5
b
1
=
X
−
a
−
c
5
(9)
[
x
]
S
=
3
(
x
＋
y
＋
z
)
3
(
x
＋
y
＋
z
)
=
S
x
＋
y
＋
z
1
=
S
3
x
1
=
S
−
y
−
z
3
(10)
[
v
]
u
=
8
(
v
＋
w
)
8
(
v
＋
w
)
=
u
v
＋
w
1
=
u
8
v
1
=
u
−
w
8