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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)
7
(
3
p
+
10
q
)
(2)
8
(
6
p
+
6
)
(3)
4
(
6
a
b
−
4
a
)
a
(4)
8
(
8
u
+
2
)
(5)
10
q
(
4
p
+
2
)
(6)
5
y
(
2
x
+
8
)
(7)
9
(
5
x
+
6
)
(8)
3
(
9
p
−
9
q
+
7
)
(9)
4
a
b
+
8
a
2
a
(10)
10
(
6
a
+
6
)
(11)
7
(
a
+
3
)
(12)
3
(
7
x
y
+
7
x
)
x
(13)
8
p
q
−
6
p
10
p
(14)
5
(
u
−
6
v
+
2
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
7
(
3
p
+
10
q
)
=
21
p
+
70
q
(2)
8
(
6
p
+
6
)
=
48
p
+
48
(3)
4
(
6
a
b
−
4
a
)
a
=
24
b
−
16
(4)
8
(
8
u
+
2
)
=
64
u
+
16
(5)
10
q
(
4
p
+
2
)
=
40
p
q
+
20
q
(6)
5
y
(
2
x
+
8
)
=
10
x
y
+
40
y
(7)
9
(
5
x
+
6
)
=
45
x
+
54
(8)
3
(
9
p
−
9
q
+
7
)
=
27
p
−
27
q
+
21
(9)
4
a
b
+
8
a
2
a
=
8
b
+
16
(10)
10
(
6
a
+
6
)
=
60
a
+
60
(11)
7
(
a
+
3
)
=
7
a
+
21
(12)
3
(
7
x
y
+
7
x
)
x
=
21
y
+
21
(13)
8
p
q
−
6
p
10
p
=
80
q
−
60
(14)
5
(
u
−
6
v
+
2
)
=
5
u
−
30
v
+
10