［文字サイズの変更］
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©2018 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)
−7
m
(2)
8
p
(3)
4
m
(4)
−5
m
(5)
−8
p
(6)
8
x
(7)
−4
c
(8)
7
x
(9)
6
c
(10)
9
c
(11)
−5
c
(12)
5
p
(13)
8
a
(14)
3
m
(15)
2
c
(16)
3
p
(17)
−6
p
(18)
5
x
(19)
9
p
(20)
−5
c
(21)
3
x
(22)
−9
c
(23)
10
c
(24)
−2
c
(25)
−4
p
(26)
9
c
(27)
−9
a
(28)
−8
c
©2018 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−7
m
=
(
−7
)
×
m
(2)
8
p
=
8
×
p
(3)
4
m
=
4
×
m
(4)
−5
m
=
(
−5
)
×
m
(5)
−8
p
=
(
−8
)
×
p
(6)
8
x
=
8
×
x
(7)
−4
c
=
(
−4
)
×
c
(8)
7
x
=
7
×
x
(9)
6
c
=
6
×
c
(10)
9
c
=
9
×
c
(11)
−5
c
=
(
−5
)
×
c
(12)
5
p
=
5
×
p
(13)
8
a
=
8
×
a
(14)
3
m
=
3
×
m
(15)
2
c
=
2
×
c
(16)
3
p
=
3
×
p
(17)
−6
p
=
(
−6
)
×
p
(18)
5
x
=
5
×
x
(19)
9
p
=
9
×
p
(20)
−5
c
=
(
−5
)
×
c
(21)
3
x
=
3
×
x
(22)
−9
c
=
(
−9
)
×
c
(23)
10
c
=
10
×
c
(24)
−2
c
=
(
−2
)
×
c
(25)
−4
p
=
(
−4
)
×
p
(26)
9
c
=
9
×
c
(27)
−9
a
=
(
−9
)
×
a
(28)
−8
c
=
(
−8
)
×
c