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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)
9
(
7
p
+
7
)
(2)
10
(
7
a
b
+
a
)
a
(3)
2
(
8
u
+
5
v
)
(4)
2
(
5
a
−
8
b
)
(5)
9
v
(
u
+
9
)
(6)
2
(
6
u
v
−
7
u
)
u
(7)
10
(
p
+
3
q
)
(8)
4
(
7
x
−
9
)
(9)
4
(
5
a
+
9
)
(10)
2
(
6
u
+
7
)
(11)
10
(
8
u
+
7
)
(12)
u
v
+
2
u
6
u
(13)
4
(
7
p
q
−
p
)
p
(14)
2
(
7
p
q
−
7
p
)
÷
p
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
9
(
7
p
+
7
)
=
63
p
+
63
(2)
10
(
7
a
b
+
a
)
a
=
70
b
+
10
(3)
2
(
8
u
+
5
v
)
=
16
u
+
10
v
(4)
2
(
5
a
−
8
b
)
=
10
a
−
16
b
(5)
9
v
(
u
+
9
)
=
9
u
v
+
81
v
(6)
2
(
6
u
v
−
7
u
)
u
=
12
v
−
14
(7)
10
(
p
+
3
q
)
=
10
p
+
30
q
(8)
4
(
7
x
−
9
)
=
28
x
−
36
(9)
4
(
5
a
+
9
)
=
20
a
+
36
(10)
2
(
6
u
+
7
)
=
12
u
+
14
(11)
10
(
8
u
+
7
)
=
80
u
+
70
(12)
u
v
+
2
u
6
u
=
6
v
+
12
(13)
4
(
7
p
q
−
p
)
p
=
28
q
−
4
(14)
2
(
7
p
q
−
7
p
)
÷
p
=
14
q
−
14