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©2026 数学クラブ http://sugaku.club/
月 日( )
● 次の式を計算しなさい
[1A0-00]
(1)
5
(
2
u
v
−
9
u
)
u
(2)
8
(
9
u
+
2
v
)
(3)
7
p
q
−
5
p
5
p
(4)
6
(
2
x
+
5
)
(5)
4
(
x
+
7
)
(6)
3
(
9
p
+
5
q
)
(7)
4
(
6
x
+
y
+
7
)
(8)
4
(
4
a
b
+
6
a
)
÷
a
(9)
2
a
b
−
9
a
4
a
(10)
5
(
8
u
v
+
8
u
)
÷
u
(11)
2
(
u
−
1
)
(12)
7
(
3
p
+
9
q
)
(13)
2
(
8
x
−
9
)
(14)
2
(
10
a
b
−
5
a
)
a
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
5
(
2
u
v
−
9
u
)
u
=
10
v
−
45
(2)
8
(
9
u
+
2
v
)
=
72
u
+
16
v
(3)
7
p
q
−
5
p
5
p
=
35
q
−
25
(4)
6
(
2
x
+
5
)
=
12
x
+
30
(5)
4
(
x
+
7
)
=
4
x
+
28
(6)
3
(
9
p
+
5
q
)
=
27
p
+
15
q
(7)
4
(
6
x
+
y
+
7
)
=
24
x
+
4
y
+
28
(8)
4
(
4
a
b
+
6
a
)
÷
a
=
16
b
+
24
(9)
2
a
b
−
9
a
4
a
=
8
b
−
36
(10)
5
(
8
u
v
+
8
u
)
÷
u
=
40
v
+
40
(11)
2
(
u
−
1
)
=
2
u
−
2
(12)
7
(
3
p
+
9
q
)
=
21
p
+
63
q
(13)
2
(
8
x
−
9
)
=
16
x
−
18
(14)
2
(
10
a
b
−
5
a
)
a
=
20
b
−
10