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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)
3
(
2
a
+
6
b
)
(2)
7
(
4
p
+
2
)
(3)
9
p
q
+
10
p
9
p
(4)
8
x
y
−
8
x
10
x
(5)
8
(
7
u
v
+
10
u
)
÷
u
(6)
7
(
10
a
b
+
5
a
)
a
(7)
5
(
10
a
+
10
b
)
(8)
3
(
2
a
+
9
b
)
(9)
10
(
7
a
b
−
4
a
)
÷
a
(10)
9
(
9
a
−
2
)
(11)
10
(
7
p
+
3
)
(12)
3
(
4
p
+
5
q
−
3
)
(13)
9
(
u
v
+
10
u
)
u
(14)
7
(
2
x
y
−
6
x
)
÷
x
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
3
(
2
a
+
6
b
)
=
6
a
+
18
b
(2)
7
(
4
p
+
2
)
=
28
p
+
14
(3)
9
p
q
+
10
p
9
p
=
81
q
+
90
(4)
8
x
y
−
8
x
10
x
=
80
y
−
80
(5)
8
(
7
u
v
+
10
u
)
÷
u
=
56
v
+
80
(6)
7
(
10
a
b
+
5
a
)
a
=
70
b
+
35
(7)
5
(
10
a
+
10
b
)
=
50
a
+
50
b
(8)
3
(
2
a
+
9
b
)
=
6
a
+
27
b
(9)
10
(
7
a
b
−
4
a
)
÷
a
=
70
b
−
40
(10)
9
(
9
a
−
2
)
=
81
a
−
18
(11)
10
(
7
p
+
3
)
=
70
p
+
30
(12)
3
(
4
p
+
5
q
−
3
)
=
12
p
+
15
q
−
9
(13)
9
(
u
v
+
10
u
)
u
=
9
v
+
90
(14)
7
(
2
x
y
−
6
x
)
÷
x
=
14
y
−
42