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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)
10
(
3
u
v
+
7
u
)
u
(2)
6
(
10
u
+
2
v
)
(3)
8
q
(
10
p
−
9
)
(4)
2
(
7
p
+
7
)
(5)
2
(
9
x
y
+
5
x
)
÷
x
(6)
10
(
5
a
+
5
)
(7)
2
a
b
−
5
a
9
a
(8)
2
(
u
+
2
)
(9)
10
(
7
p
q
−
2
p
)
p
(10)
6
(
7
p
+
6
q
−
1
)
(11)
5
(
4
u
v
+
9
u
)
u
(12)
9
(
3
u
+
4
v
)
(13)
7
(
4
a
−
6
b
)
(14)
6
(
p
q
+
3
p
)
÷
p
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
10
(
3
u
v
+
7
u
)
u
=
30
v
+
70
(2)
6
(
10
u
+
2
v
)
=
60
u
+
12
v
(3)
8
q
(
10
p
−
9
)
=
80
p
q
−
72
q
(4)
2
(
7
p
+
7
)
=
14
p
+
14
(5)
2
(
9
x
y
+
5
x
)
÷
x
=
18
y
+
10
(6)
10
(
5
a
+
5
)
=
50
a
+
50
(7)
2
a
b
−
5
a
9
a
=
18
b
−
45
(8)
2
(
u
+
2
)
=
2
u
+
4
(9)
10
(
7
p
q
−
2
p
)
p
=
70
q
−
20
(10)
6
(
7
p
+
6
q
−
1
)
=
42
p
+
36
q
−
6
(11)
5
(
4
u
v
+
9
u
)
u
=
20
v
+
45
(12)
9
(
3
u
+
4
v
)
=
27
u
+
36
v
(13)
7
(
4
a
−
6
b
)
=
28
a
−
42
b
(14)
6
(
p
q
+
3
p
)
÷
p
=
6
q
+
18