［文字サイズの変更］
▼
▲
©2022 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)
[
w
]
u
=
2
(
3
v
＋
w
)
＋
9
(2)
[
q
]
p
=
6
(
q
＋
r
)
(3)
b
＋
c
[
b
]
a
=
5
(4)
y
＋
z
[
z
]
x
=
10
(5)
10
(
b
＋
c
)
[
c
]
X
=
a
(6)
3
(
q
＋
r
)
[
r
]
m
=
p
(7)
[
w
]
u
=
2
(
v
＋
w
)
(8)
(
b
＋
c
)
h
[
b
]
a
=
6
(9)
q
＋
r
[
q
]
p
=
5
(10)
b
＋
c
[
c
]
a
=
5
©2022 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
[
w
]
u
=
2
(
3
v
＋
w
)
＋
9
2
(
3
v
＋
w
)
=
u
−
9
3
v
＋
w
u
−
9
=
2
w
1
9
=
u
−
3
v
−
2
2
(2)
[
q
]
p
=
6
(
q
＋
r
)
6
(
q
＋
r
)
=
p
q
＋
r
1
=
p
6
q
1
=
p
−
r
6
(3)
b
＋
c
[
b
]
a
=
5
b
＋
c
5
=
a
b
＋
c
=
5
a
b
=
5
a
−
c
(4)
y
＋
z
[
z
]
x
=
10
y
＋
z
10
=
x
y
＋
z
=
10
x
z
=
10
x
−
y
(5)
10
(
b
＋
c
)
[
c
]
X
=
a
10
(
b
＋
c
)
a
=
X
b
＋
c
a
X
=
10
c
a
X
=
−
b
10
(6)
3
(
q
＋
r
)
[
r
]
m
=
p
3
(
q
＋
r
)
p
=
m
q
＋
r
p
m
=
3
r
p
m
=
−
q
3
(7)
[
w
]
u
=
2
(
v
＋
w
)
2
(
v
＋
w
)
=
u
v
＋
w
1
=
u
2
w
1
=
u
−
v
2
(8)
(
b
＋
c
)
h
[
b
]
a
=
6
(
b
＋
c
)
h
6
=
a
b
＋
c
6
a
=
h
b
6
a
=
−
c
h
(9)
q
＋
r
[
q
]
p
=
5
q
＋
r
5
=
p
q
＋
r
=
5
p
q
=
5
p
−
r
(10)
b
＋
c
[
c
]
a
=
5
b
＋
c
5
=
a
b
＋
c
=
5
a
c
=
5
a
−
b