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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
u
v
+
u
)
u
(2)
7
(
8
x
−
10
y
)
(3)
3
(
4
p
q
+
6
p
)
p
(4)
4
(
10
a
b
−
8
a
)
a
(5)
7
(
2
a
−
8
)
(6)
9
(
2
p
+
2
q
−
3
)
(7)
7
(
6
x
y
+
3
x
)
÷
x
(8)
6
(
u
v
+
4
u
)
÷
u
(9)
7
(
10
a
−
8
)
(10)
6
p
q
+
7
p
3
p
(11)
9
(
4
a
+
5
)
(12)
3
(
u
−
6
)
(13)
6
p
q
+
7
p
8
p
(14)
4
(
8
u
+
v
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
2
(
10
u
v
+
u
)
u
=
20
v
+
2
(2)
7
(
8
x
−
10
y
)
=
56
x
−
70
y
(3)
3
(
4
p
q
+
6
p
)
p
=
12
q
+
18
(4)
4
(
10
a
b
−
8
a
)
a
=
40
b
−
32
(5)
7
(
2
a
−
8
)
=
14
a
−
56
(6)
9
(
2
p
+
2
q
−
3
)
=
18
p
+
18
q
−
27
(7)
7
(
6
x
y
+
3
x
)
÷
x
=
42
y
+
21
(8)
6
(
u
v
+
4
u
)
÷
u
=
6
v
+
24
(9)
7
(
10
a
−
8
)
=
70
a
−
56
(10)
6
p
q
+
7
p
3
p
=
18
q
+
21
(11)
9
(
4
a
+
5
)
=
36
a
+
45
(12)
3
(
u
−
6
)
=
3
u
−
18
(13)
6
p
q
+
7
p
8
p
=
48
q
+
56
(14)
4
(
8
u
+
v
)
=
32
u
+
4
v