［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，記号×を使って書きましょう
[071-00]
(1)
−10
p
(2)
−2
c
(3)
8
c
(4)
−7
m
(5)
−8
c
(6)
−10
m
(7)
3
p
(8)
5
x
(9)
−7
x
(10)
10
c
(11)
10
c
(12)
−10
c
(13)
6
p
(14)
7
m
(15)
5
a
(16)
6
x
(17)
3
c
(18)
2
m
(19)
−7
m
(20)
5
p
(21)
−6
a
(22)
9
p
(23)
9
x
(24)
5
m
(25)
6
m
(26)
−4
m
(27)
3
a
(28)
2
x
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−10
p
=
(
−10
)
×
p
(2)
−2
c
=
(
−2
)
×
c
(3)
8
c
=
8
×
c
(4)
−7
m
=
(
−7
)
×
m
(5)
−8
c
=
(
−8
)
×
c
(6)
−10
m
=
(
−10
)
×
m
(7)
3
p
=
3
×
p
(8)
5
x
=
5
×
x
(9)
−7
x
=
(
−7
)
×
x
(10)
10
c
=
10
×
c
(11)
10
c
=
10
×
c
(12)
−10
c
=
(
−10
)
×
c
(13)
6
p
=
6
×
p
(14)
7
m
=
7
×
m
(15)
5
a
=
5
×
a
(16)
6
x
=
6
×
x
(17)
3
c
=
3
×
c
(18)
2
m
=
2
×
m
(19)
−7
m
=
(
−7
)
×
m
(20)
5
p
=
5
×
p
(21)
−6
a
=
(
−6
)
×
a
(22)
9
p
=
9
×
p
(23)
9
x
=
9
×
x
(24)
5
m
=
5
×
m
(25)
6
m
=
6
×
m
(26)
−4
m
=
(
−4
)
×
m
(27)
3
a
=
3
×
a
(28)
2
x
=
2
×
x