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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)
2
(
10
a
b
+
10
a
)
÷
a
(2)
5
(
7
p
q
−
10
p
)
÷
p
(3)
10
(
2
a
+
8
b
)
(4)
3
u
v
−
2
u
7
u
(5)
2
(
a
b
+
a
)
÷
a
(6)
4
(
10
p
q
−
2
p
)
÷
p
(7)
2
(
2
a
+
3
b
)
(8)
7
x
y
+
x
7
x
(9)
4
(
7
u
+
5
v
)
(10)
6
(
10
p
−
3
q
+
6
)
(11)
8
(
6
a
b
+
2
a
)
÷
a
(12)
8
(
7
x
−
9
)
(13)
6
v
(
5
u
−
6
)
(14)
10
(
8
u
+
6
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
2
(
10
a
b
+
10
a
)
÷
a
=
20
b
+
20
(2)
5
(
7
p
q
−
10
p
)
÷
p
=
35
q
−
50
(3)
10
(
2
a
+
8
b
)
=
20
a
+
80
b
(4)
3
u
v
−
2
u
7
u
=
21
v
−
14
(5)
2
(
a
b
+
a
)
÷
a
=
2
b
+
2
(6)
4
(
10
p
q
−
2
p
)
÷
p
=
40
q
−
8
(7)
2
(
2
a
+
3
b
)
=
4
a
+
6
b
(8)
7
x
y
+
x
7
x
=
49
y
+
7
(9)
4
(
7
u
+
5
v
)
=
28
u
+
20
v
(10)
6
(
10
p
−
3
q
+
6
)
=
60
p
−
18
q
+
36
(11)
8
(
6
a
b
+
2
a
)
÷
a
=
48
b
+
16
(12)
8
(
7
x
−
9
)
=
56
x
−
72
(13)
6
v
(
5
u
−
6
)
=
30
u
v
−
36
v
(14)
10
(
8
u
+
6
)
=
80
u
+
60