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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)
8
b
(
10
a
+
10
)
(2)
9
(
4
p
q
+
7
p
)
÷
p
(3)
9
(
4
u
−
v
)
(4)
6
(
8
a
−
8
)
(5)
5
u
v
+
7
u
10
u
(6)
4
q
(
10
p
+
8
)
(7)
8
u
v
+
3
u
10
u
(8)
9
(
9
x
−
7
y
−
6
)
(9)
5
(
5
x
+
10
y
)
(10)
7
(
7
p
q
−
2
p
)
÷
p
(11)
5
(
8
u
v
−
9
u
)
u
(12)
6
(
9
a
b
+
7
a
)
a
(13)
9
q
(
9
p
+
5
)
(14)
9
p
q
+
5
p
9
p
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
8
b
(
10
a
+
10
)
=
80
a
b
+
80
b
(2)
9
(
4
p
q
+
7
p
)
÷
p
=
36
q
+
63
(3)
9
(
4
u
−
v
)
=
36
u
−
9
v
(4)
6
(
8
a
−
8
)
=
48
a
−
48
(5)
5
u
v
+
7
u
10
u
=
50
v
+
70
(6)
4
q
(
10
p
+
8
)
=
40
p
q
+
32
q
(7)
8
u
v
+
3
u
10
u
=
80
v
+
30
(8)
9
(
9
x
−
7
y
−
6
)
=
81
x
−
63
y
−
54
(9)
5
(
5
x
+
10
y
)
=
25
x
+
50
y
(10)
7
(
7
p
q
−
2
p
)
÷
p
=
49
q
−
14
(11)
5
(
8
u
v
−
9
u
)
u
=
40
v
−
45
(12)
6
(
9
a
b
+
7
a
)
a
=
54
b
+
42
(13)
9
q
(
9
p
+
5
)
=
81
p
q
+
45
q
(14)
9
p
q
+
5
p
9
p
=
81
q
+
45