［文字サイズの変更］
▼
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©2025 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
[070-00]
(1)
c
×
(
−5
)
(2)
3
×
x
(3)
c
×
(
−5
)
(4)
4
×
x
(5)
4
×
a
(6)
(
−7
)
×
x
(7)
c
×
(
−5
)
(8)
x
×
6
(9)
p
×
5
(10)
7
×
m
(11)
p
×
10
(12)
10
×
x
(13)
p
×
7
(14)
c
×
(
−4
)
(15)
x
×
(
−4
)
(16)
(
−2
)
×
c
(17)
c
×
6
(18)
(
−3
)
×
p
(19)
m
×
(
−2
)
(20)
x
×
7
(21)
(
−3
)
×
x
(22)
(
−4
)
×
x
(23)
(
−7
)
×
x
(24)
p
×
6
(25)
m
×
10
(26)
p
×
7
(27)
m
×
(
−6
)
(28)
c
×
(
−10
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
c
×
(
−5
)
=
−5
c
(2)
3
×
x
=
3
x
(3)
c
×
(
−5
)
=
−5
c
(4)
4
×
x
=
4
x
(5)
4
×
a
=
4
a
(6)
(
−7
)
×
x
=
−7
x
(7)
c
×
(
−5
)
=
−5
c
(8)
x
×
6
=
6
x
(9)
p
×
5
=
5
p
(10)
7
×
m
=
7
m
(11)
p
×
10
=
10
p
(12)
10
×
x
=
10
x
(13)
p
×
7
=
7
p
(14)
c
×
(
−4
)
=
−4
c
(15)
x
×
(
−4
)
=
−4
x
(16)
(
−2
)
×
c
=
−2
c
(17)
c
×
6
=
6
c
(18)
(
−3
)
×
p
=
−3
p
(19)
m
×
(
−2
)
=
−2
m
(20)
x
×
7
=
7
x
(21)
(
−3
)
×
x
=
−3
x
(22)
(
−4
)
×
x
=
−4
x
(23)
(
−7
)
×
x
=
−7
x
(24)
p
×
6
=
6
p
(25)
m
×
10
=
10
m
(26)
p
×
7
=
7
p
(27)
m
×
(
−6
)
=
−6
m
(28)
c
×
(
−10
)
=
−10
c