［文字サイズの変更］
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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の計算をしましょう
[160-00]
(1)
10
u
×
10
w
(2)
10
u
×
5
v
(3)
3
2
p
×
(
−5
)
p
(4)
3
−8
a
×
(
−3
)
b
(5)
3
−4
u
×
(
−6
)
u
(6)
−5
p
×
(
−9
)
q
(7)
3
−3
p
×
(
−6
)
p
(8)
3
−6
u
×
8
u
(9)
−9
a
×
(
−9
)
b
(10)
3
−7
p
×
(
−6
)
r
(11)
5
x
×
(
−2
)
x
(12)
−4
x
×
2
z
(13)
3
−8
u
×
(
−10
)
u
(14)
4
u
×
(
−4
)
u
(15)
2
9
p
×
8
p
(16)
10
a
×
(
−7
)
c
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
10
u
×
10
w
=
100
u
w
(2)
10
u
×
5
v
=
50
u
v
(3)
3
2
p
×
(
−5
)
p
4
=
−10
p
(4)
3
−8
a
×
(
−3
)
b
3
=
24
a
b
(5)
3
−4
u
×
(
−6
)
u
4
=
24
u
(6)
−5
p
×
(
−9
)
q
=
45
p
q
(7)
3
−3
p
×
(
−6
)
p
4
=
18
p
(8)
3
−6
u
×
8
u
4
=
−48
u
(9)
−9
a
×
(
−9
)
b
=
81
a
b
(10)
3
−7
p
×
(
−6
)
r
3
=
42
p
r
(11)
5
x
×
(
−2
)
x
2
=
−10
x
(12)
−4
x
×
2
z
=
−8
x
z
(13)
3
−8
u
×
(
−10
)
u
4
=
80
u
(14)
4
u
×
(
−4
)
u
2
=
−16
u
(15)
2
9
p
×
8
p
3
=
72
p
(16)
10
a
×
(
−7
)
c
=
−70
a
c