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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)
9
(
10
p
q
+
9
p
)
p
(2)
9
q
(
3
p
−
2
)
(3)
4
(
2
x
+
3
y
+
9
)
(4)
2
(
6
a
b
−
7
a
)
a
(5)
10
u
v
+
6
u
4
u
(6)
9
(
3
p
−
5
)
(7)
9
(
2
p
q
+
7
p
)
p
(8)
3
(
x
+
1
)
(9)
8
y
(
5
x
−
2
)
(10)
6
u
v
+
7
u
5
u
(11)
7
u
v
−
4
u
3
u
(12)
6
b
(
2
a
+
7
)
(13)
9
(
7
u
−
10
)
(14)
4
(
3
a
+
4
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
9
(
10
p
q
+
9
p
)
p
=
90
q
+
81
(2)
9
q
(
3
p
−
2
)
=
27
p
q
−
18
q
(3)
4
(
2
x
+
3
y
+
9
)
=
8
x
+
12
y
+
36
(4)
2
(
6
a
b
−
7
a
)
a
=
12
b
−
14
(5)
10
u
v
+
6
u
4
u
=
40
v
+
24
(6)
9
(
3
p
−
5
)
=
27
p
−
45
(7)
9
(
2
p
q
+
7
p
)
p
=
18
q
+
63
(8)
3
(
x
+
1
)
=
3
x
+
3
(9)
8
y
(
5
x
−
2
)
=
40
x
y
−
16
y
(10)
6
u
v
+
7
u
5
u
=
30
v
+
35
(11)
7
u
v
−
4
u
3
u
=
21
v
−
12
(12)
6
b
(
2
a
+
7
)
=
12
a
b
+
42
b
(13)
9
(
7
u
−
10
)
=
63
u
−
90
(14)
4
(
3
a
+
4
)
=
12
a
+
16