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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
(
2
u
v
+
4
u
)
÷
u
(2)
2
(
5
a
+
1
)
(3)
2
(
4
u
+
2
v
)
(4)
2
(
10
x
+
2
y
+
6
)
(5)
10
(
7
p
q
+
9
p
)
p
(6)
5
(
9
u
v
−
5
u
)
u
(7)
6
(
8
u
−
6
v
)
(8)
9
(
4
p
q
−
5
p
)
p
(9)
6
(
5
u
+
1
)
(10)
6
(
4
u
−
8
)
(11)
2
p
q
+
7
p
7
p
(12)
3
(
7
a
b
+
4
a
)
÷
a
(13)
3
u
v
−
7
u
10
u
(14)
8
(
10
u
v
+
5
u
)
u
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
7
(
2
u
v
+
4
u
)
÷
u
=
14
v
+
28
(2)
2
(
5
a
+
1
)
=
10
a
+
2
(3)
2
(
4
u
+
2
v
)
=
8
u
+
4
v
(4)
2
(
10
x
+
2
y
+
6
)
=
20
x
+
4
y
+
12
(5)
10
(
7
p
q
+
9
p
)
p
=
70
q
+
90
(6)
5
(
9
u
v
−
5
u
)
u
=
45
v
−
25
(7)
6
(
8
u
−
6
v
)
=
48
u
−
36
v
(8)
9
(
4
p
q
−
5
p
)
p
=
36
q
−
45
(9)
6
(
5
u
+
1
)
=
30
u
+
6
(10)
6
(
4
u
−
8
)
=
24
u
−
48
(11)
2
p
q
+
7
p
7
p
=
14
q
+
49
(12)
3
(
7
a
b
+
4
a
)
÷
a
=
21
b
+
12
(13)
3
u
v
−
7
u
10
u
=
30
v
−
70
(14)
8
(
10
u
v
+
5
u
)
u
=
80
v
+
40