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