［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)
a
÷
3
(2)
(
−10
)
÷
c
(3)
(
−8
)
÷
c
(4)
(
−5
)
÷
a
(5)
c
÷
3
(6)
7
÷
a
(7)
(
−3
)
÷
x
(8)
p
÷
(
−5
)
(9)
m
÷
8
(10)
9
÷
m
(11)
p
÷
(
−4
)
(12)
2
÷
m
(13)
m
÷
(
−8
)
(14)
5
÷
a
(15)
m
÷
2
(16)
(
−5
)
÷
p
(17)
p
÷
(
−6
)
(18)
p
÷
7
(19)
x
÷
6
(20)
m
÷
(
−9
)
(21)
c
÷
2
(22)
m
÷
4
(23)
(
−3
)
÷
x
(24)
a
÷
(
−7
)
(25)
2
÷
a
(26)
p
÷
(
−10
)
(27)
6
÷
m
(28)
p
÷
(
−5
)
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
a
÷
3
a
=
3
(2)
(
−10
)
÷
c
10
=
−
c
(3)
(
−8
)
÷
c
8
=
−
c
(4)
(
−5
)
÷
a
5
=
−
a
(5)
c
÷
3
c
=
3
(6)
7
÷
a
7
=
a
(7)
(
−3
)
÷
x
3
=
−
x
(8)
p
÷
(
−5
)
p
=
−
5
(9)
m
÷
8
m
=
8
(10)
9
÷
m
9
=
m
(11)
p
÷
(
−4
)
p
=
−
4
(12)
2
÷
m
2
=
m
(13)
m
÷
(
−8
)
m
=
−
8
(14)
5
÷
a
5
=
a
(15)
m
÷
2
m
=
2
(16)
(
−5
)
÷
p
5
=
−
p
(17)
p
÷
(
−6
)
p
=
−
6
(18)
p
÷
7
p
=
7
(19)
x
÷
6
x
=
6
(20)
m
÷
(
−9
)
m
=
−
9
(21)
c
÷
2
c
=
2
(22)
m
÷
4
m
=
4
(23)
(
−3
)
÷
x
3
=
−
x
(24)
a
÷
(
−7
)
a
=
−
7
(25)
2
÷
a
2
=
a
(26)
p
÷
(
−10
)
p
=
−
10
(27)
6
÷
m
6
=
m
(28)
p
÷
(
−5
)
p
=
−
5