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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)
4
(
p
q
−
2
p
)
÷
p
(2)
5
(
5
u
+
7
)
(3)
6
(
4
u
+
9
v
)
(4)
2
(
10
x
+
2
y
)
(5)
3
(
p
+
1
)
(6)
5
(
3
u
−
8
)
(7)
4
x
y
+
3
x
10
x
(8)
6
a
b
−
2
a
8
a
(9)
10
v
(
10
u
−
1
)
(10)
8
(
3
x
+
7
)
(11)
10
(
5
p
q
+
8
p
)
p
(12)
4
(
3
p
q
−
3
p
)
p
(13)
7
(
2
u
v
+
7
u
)
u
(14)
9
(
8
x
+
5
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
4
(
p
q
−
2
p
)
÷
p
=
4
q
−
8
(2)
5
(
5
u
+
7
)
=
25
u
+
35
(3)
6
(
4
u
+
9
v
)
=
24
u
+
54
v
(4)
2
(
10
x
+
2
y
)
=
20
x
+
4
y
(5)
3
(
p
+
1
)
=
3
p
+
3
(6)
5
(
3
u
−
8
)
=
15
u
−
40
(7)
4
x
y
+
3
x
10
x
=
40
y
+
30
(8)
6
a
b
−
2
a
8
a
=
48
b
−
16
(9)
10
v
(
10
u
−
1
)
=
100
u
v
−
10
v
(10)
8
(
3
x
+
7
)
=
24
x
+
56
(11)
10
(
5
p
q
+
8
p
)
p
=
50
q
+
80
(12)
4
(
3
p
q
−
3
p
)
p
=
12
q
−
12
(13)
7
(
2
u
v
+
7
u
)
u
=
14
v
+
49
(14)
9
(
8
x
+
5
)
=
72
x
+
45