［文字サイズの変更］
▼
▲
©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の計算をしましょう
[161-00]
(1)
2
2
−6
a
×
(
−10
)
a
(2)
2
−5
x
×
10
x
(3)
2
−5
u
v
×
(
−3
)
v
(4)
3
3
3
6
p
q
×
6
p
q
(5)
3
−5
u
v
×
2
v
(6)
2
2
2
p
×
6
p
(7)
2
3
−5
u
×
(
−2
)
u
(8)
2
3
2
2
x
y
×
7
x
(9)
3
10
a
b
×
2
b
(10)
2
3
3
7
u
v
×
(
−8
)
v
(11)
3
3
−8
p
×
(
−5
)
p
(12)
3
−5
x
×
6
x
(13)
2
−6
p
×
(
−8
)
p
(14)
2
3
u
×
(
−6
)
u
(15)
2
2
−7
u
×
5
u
(16)
2
9
p
q
×
(
−7
)
q
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
2
2
−6
a
×
(
−10
)
a
2
2
4
=
−6
a
×
(
−10
)
a
=
60
a
(2)
2
−5
x
×
10
x
2
3
=
−5
x
×
10
x
=
−50
x
(3)
2
−5
u
v
×
(
−3
)
v
2
2
2
=
−5
u
v
×
(
−3
)
v
=
15
u
v
(4)
3
3
3
6
p
q
×
6
p
q
3
3
3
6
4
=
6
p
q
×
6
p
q
=
36
p
q
(5)
3
−5
u
v
×
2
v
3
4
=
−5
u
v
×
2
v
=
−10
u
v
(6)
2
2
2
p
×
6
p
2
2
4
=
2
p
×
6
p
=
12
p
(7)
2
3
−5
u
×
(
−2
)
u
2
3
5
=
−5
u
×
(
−2
)
u
=
10
u
(8)
2
3
2
2
x
y
×
7
x
2
3
2
4
3
=
2
x
y
×
7
x
=
14
x
y
(9)
3
10
a
b
×
2
b
3
3
2
=
10
a
b
×
2
b
=
20
a
b
(10)
2
3
3
7
u
v
×
(
−8
)
v
2
3
3
2
6
=
7
u
v
×
(
−8
)
v
=
−56
u
v
(11)
3
3
−8
p
×
(
−5
)
p
3
3
6
=
−8
p
×
(
−5
)
p
=
40
p
(12)
3
−5
x
×
6
x
3
4
=
−5
x
×
6
x
=
−30
x
(13)
2
−6
p
×
(
−8
)
p
2
3
=
−6
p
×
(
−8
)
p
=
48
p
(14)
2
3
u
×
(
−6
)
u
2
3
=
3
u
×
(
−6
)
u
=
−18
u
(15)
2
2
−7
u
×
5
u
2
2
4
=
−7
u
×
5
u
=
−35
u
(16)
2
9
p
q
×
(
−7
)
q
2
3
=
9
p
q
×
(
−7
)
q
=
−63
p
q