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