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