［文字サイズの変更］
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日（ ）
● 次の計算をしましょう
[160-00]
(1)
3
−8
p
×
(
−8
)
p
(2)
3
−7
x
×
(
−6
)
z
(3)
10
a
×
4
c
(4)
2
−5
x
×
6
x
(5)
−7
a
×
(
−6
)
a
(6)
3
−5
p
×
4
q
(7)
−4
x
×
(
−6
)
x
(8)
2
7
x
×
(
−3
)
y
(9)
−6
a
×
2
b
(10)
−10
a
×
7
b
(11)
3
−7
x
×
3
x
(12)
2
x
×
(
−6
)
z
(13)
3
2
p
×
5
r
(14)
2
−2
x
×
(
−7
)
z
(15)
10
a
×
3
b
(16)
−9
x
×
(
−9
)
y
©2026 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
−8
p
×
(
−8
)
p
4
=
64
p
(2)
3
−7
x
×
(
−6
)
z
3
=
42
x
z
(3)
10
a
×
4
c
=
40
a
c
(4)
2
−5
x
×
6
x
3
=
−30
x
(5)
−7
a
×
(
−6
)
a
2
=
42
a
(6)
3
−5
p
×
4
q
3
=
−20
p
q
(7)
−4
x
×
(
−6
)
x
2
=
24
x
(8)
2
7
x
×
(
−3
)
y
2
=
−21
x
y
(9)
−6
a
×
2
b
=
−12
a
b
(10)
−10
a
×
7
b
=
−70
a
b
(11)
3
−7
x
×
3
x
4
=
−21
x
(12)
2
x
×
(
−6
)
z
=
−12
x
z
(13)
3
2
p
×
5
r
3
=
10
p
r
(14)
2
−2
x
×
(
−7
)
z
2
=
14
x
z
(15)
10
a
×
3
b
=
30
a
b
(16)
−9
x
×
(
−9
)
y
=
81
x
y