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