［文字サイズの変更］
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©2024 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
m
(2)
−7
p
(3)
3
c
(4)
−2
m
(5)
−2
c
(6)
−4
a
(7)
−7
x
(8)
9
x
(9)
−5
p
(10)
−7
c
(11)
10
x
(12)
5
m
(13)
−3
p
(14)
−8
x
(15)
5
c
(16)
2
x
(17)
−7
c
(18)
10
x
(19)
−4
p
(20)
4
m
(21)
−3
a
(22)
3
p
(23)
2
a
(24)
10
x
(25)
−8
x
(26)
−5
c
(27)
10
p
(28)
10
c
©2024 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
m
=
2
×
m
(2)
−7
p
=
(
−7
)
×
p
(3)
3
c
=
3
×
c
(4)
−2
m
=
(
−2
)
×
m
(5)
−2
c
=
(
−2
)
×
c
(6)
−4
a
=
(
−4
)
×
a
(7)
−7
x
=
(
−7
)
×
x
(8)
9
x
=
9
×
x
(9)
−5
p
=
(
−5
)
×
p
(10)
−7
c
=
(
−7
)
×
c
(11)
10
x
=
10
×
x
(12)
5
m
=
5
×
m
(13)
−3
p
=
(
−3
)
×
p
(14)
−8
x
=
(
−8
)
×
x
(15)
5
c
=
5
×
c
(16)
2
x
=
2
×
x
(17)
−7
c
=
(
−7
)
×
c
(18)
10
x
=
10
×
x
(19)
−4
p
=
(
−4
)
×
p
(20)
4
m
=
4
×
m
(21)
−3
a
=
(
−3
)
×
a
(22)
3
p
=
3
×
p
(23)
2
a
=
2
×
a
(24)
10
x
=
10
×
x
(25)
−8
x
=
(
−8
)
×
x
(26)
−5
c
=
(
−5
)
×
c
(27)
10
p
=
10
×
p
(28)
10
c
=
10
×
c