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