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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)
4
a
×
6
c
(2)
6
a
×
(
−6
)
c
(3)
2
−6
p
×
(
−5
)
p
(4)
6
a
×
5
c
(5)
−6
x
×
(
−10
)
y
(6)
5
u
×
(
−10
)
w
(7)
2
9
p
×
7
r
(8)
3
9
x
×
7
x
(9)
3
−6
u
×
(
−4
)
u
(10)
−9
u
×
(
−5
)
w
(11)
−4
u
×
2
w
(12)
2
a
×
(
−2
)
b
(13)
8
x
×
9
x
(14)
2
10
p
×
3
q
(15)
2
−8
p
×
5
r
(16)
3
5
u
×
10
v
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
4
a
×
6
c
=
24
a
c
(2)
6
a
×
(
−6
)
c
=
−36
a
c
(3)
2
−6
p
×
(
−5
)
p
3
=
30
p
(4)
6
a
×
5
c
=
30
a
c
(5)
−6
x
×
(
−10
)
y
=
60
x
y
(6)
5
u
×
(
−10
)
w
=
−50
u
w
(7)
2
9
p
×
7
r
2
=
63
p
r
(8)
3
9
x
×
7
x
4
=
63
x
(9)
3
−6
u
×
(
−4
)
u
4
=
24
u
(10)
−9
u
×
(
−5
)
w
=
45
u
w
(11)
−4
u
×
2
w
=
−8
u
w
(12)
2
a
×
(
−2
)
b
=
−4
a
b
(13)
8
x
×
9
x
2
=
72
x
(14)
2
10
p
×
3
q
2
=
30
p
q
(15)
2
−8
p
×
5
r
2
=
−40
p
r
(16)
3
5
u
×
10
v
3
=
50
u
v