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