［文字サイズの変更］
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の式を，文字式の表し方にしたがって書きましょう
[072-00]
(1)
x
÷
(
−7
)
(2)
(
−8
)
÷
a
(3)
(
−8
)
÷
m
(4)
x
÷
4
(5)
x
÷
10
(6)
x
÷
(
−9
)
(7)
x
÷
9
(8)
a
÷
7
(9)
a
÷
6
(10)
8
÷
m
(11)
(
−5
)
÷
m
(12)
(
−7
)
÷
c
(13)
c
÷
6
(14)
5
÷
a
(15)
a
÷
(
−3
)
(16)
(
−2
)
÷
m
(17)
6
÷
c
(18)
(
−7
)
÷
p
(19)
7
÷
m
(20)
(
−3
)
÷
c
(21)
(
−3
)
÷
m
(22)
m
÷
(
−9
)
(23)
(
−8
)
÷
c
(24)
c
÷
7
(25)
(
−2
)
÷
p
(26)
m
÷
(
−5
)
(27)
x
÷
6
(28)
x
÷
3
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
x
÷
(
−7
)
x
=
−
7
(2)
(
−8
)
÷
a
8
=
−
a
(3)
(
−8
)
÷
m
8
=
−
m
(4)
x
÷
4
x
=
4
(5)
x
÷
10
x
=
10
(6)
x
÷
(
−9
)
x
=
−
9
(7)
x
÷
9
x
=
9
(8)
a
÷
7
a
=
7
(9)
a
÷
6
a
=
6
(10)
8
÷
m
8
=
m
(11)
(
−5
)
÷
m
5
=
−
m
(12)
(
−7
)
÷
c
7
=
−
c
(13)
c
÷
6
c
=
6
(14)
5
÷
a
5
=
a
(15)
a
÷
(
−3
)
a
=
−
3
(16)
(
−2
)
÷
m
2
=
−
m
(17)
6
÷
c
6
=
c
(18)
(
−7
)
÷
p
7
=
−
p
(19)
7
÷
m
7
=
m
(20)
(
−3
)
÷
c
3
=
−
c
(21)
(
−3
)
÷
m
3
=
−
m
(22)
m
÷
(
−9
)
m
=
−
9
(23)
(
−8
)
÷
c
8
=
−
c
(24)
c
÷
7
c
=
7
(25)
(
−2
)
÷
p
2
=
−
p
(26)
m
÷
(
−5
)
m
=
−
5
(27)
x
÷
6
x
=
6
(28)
x
÷
3
x
=
3