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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の計算をしましょう
[160-00]
(1)
−10
u
×
(
−6
)
u
(2)
3
−7
u
×
3
w
(3)
2
−7
a
×
(
−10
)
b
(4)
−8
a
×
3
a
(5)
7
u
×
7
u
(6)
3
p
×
6
r
(7)
2
10
p
×
(
−4
)
p
(8)
3
p
×
(
−3
)
q
(9)
5
u
×
2
u
(10)
2
−5
a
×
(
−10
)
a
(11)
−8
p
×
7
q
(12)
10
u
×
8
w
(13)
3
4
p
×
(
−4
)
p
(14)
−6
p
×
(
−5
)
p
(15)
−2
a
×
9
a
(16)
2
−9
p
×
2
q
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
−10
u
×
(
−6
)
u
2
=
60
u
(2)
3
−7
u
×
3
w
3
=
−21
u
w
(3)
2
−7
a
×
(
−10
)
b
2
=
70
a
b
(4)
−8
a
×
3
a
2
=
−24
a
(5)
7
u
×
7
u
2
=
49
u
(6)
3
p
×
6
r
=
18
p
r
(7)
2
10
p
×
(
−4
)
p
3
=
−40
p
(8)
3
p
×
(
−3
)
q
=
−9
p
q
(9)
5
u
×
2
u
2
=
10
u
(10)
2
−5
a
×
(
−10
)
a
3
=
50
a
(11)
−8
p
×
7
q
=
−56
p
q
(12)
10
u
×
8
w
=
80
u
w
(13)
3
4
p
×
(
−4
)
p
4
=
−16
p
(14)
−6
p
×
(
−5
)
p
2
=
30
p
(15)
−2
a
×
9
a
2
=
−18
a
(16)
2
−9
p
×
2
q
2
=
−18
p
q