［文字サイズの変更］
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©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
[070-00]
(1)
2
×
a
(2)
x
×
7
(3)
6
×
p
(4)
(
−5
)
×
x
(5)
3
×
c
(6)
a
×
3
(7)
8
×
c
(8)
m
×
4
(9)
x
×
5
(10)
(
−10
)
×
m
(11)
(
−6
)
×
c
(12)
x
×
(
−4
)
(13)
a
×
(
−2
)
(14)
m
×
10
(15)
x
×
10
(16)
p
×
(
−3
)
(17)
10
×
x
(18)
(
−2
)
×
m
(19)
4
×
a
(20)
m
×
(
−4
)
(21)
3
×
p
(22)
a
×
8
(23)
p
×
4
(24)
3
×
x
(25)
3
×
c
(26)
5
×
m
(27)
a
×
2
(28)
m
×
5
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
×
a
=
2
a
(2)
x
×
7
=
7
x
(3)
6
×
p
=
6
p
(4)
(
−5
)
×
x
=
−5
x
(5)
3
×
c
=
3
c
(6)
a
×
3
=
3
a
(7)
8
×
c
=
8
c
(8)
m
×
4
=
4
m
(9)
x
×
5
=
5
x
(10)
(
−10
)
×
m
=
−10
m
(11)
(
−6
)
×
c
=
−6
c
(12)
x
×
(
−4
)
=
−4
x
(13)
a
×
(
−2
)
=
−2
a
(14)
m
×
10
=
10
m
(15)
x
×
10
=
10
x
(16)
p
×
(
−3
)
=
−3
p
(17)
10
×
x
=
10
x
(18)
(
−2
)
×
m
=
−2
m
(19)
4
×
a
=
4
a
(20)
m
×
(
−4
)
=
−4
m
(21)
3
×
p
=
3
p
(22)
a
×
8
=
8
a
(23)
p
×
4
=
4
p
(24)
3
×
x
=
3
x
(25)
3
×
c
=
3
c
(26)
5
×
m
=
5
m
(27)
a
×
2
=
2
a
(28)
m
×
5
=
5
m