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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)
4
(
6
a
−
9
b
−
10
)
(2)
7
(
2
x
+
8
)
(3)
10
(
7
p
+
4
q
)
(4)
7
(
5
p
q
+
5
p
)
÷
p
(5)
6
(
8
a
+
2
)
(6)
5
q
(
9
p
−
7
)
(7)
2
(
7
p
−
3
)
(8)
2
p
q
−
p
7
p
(9)
9
(
5
u
−
5
)
(10)
8
u
v
+
u
7
u
(11)
3
x
y
+
x
7
x
(12)
7
b
(
a
+
4
)
(13)
8
(
2
a
b
−
10
a
)
÷
a
(14)
6
(
9
p
q
+
4
p
)
p
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
4
(
6
a
−
9
b
−
10
)
=
24
a
−
36
b
−
40
(2)
7
(
2
x
+
8
)
=
14
x
+
56
(3)
10
(
7
p
+
4
q
)
=
70
p
+
40
q
(4)
7
(
5
p
q
+
5
p
)
÷
p
=
35
q
+
35
(5)
6
(
8
a
+
2
)
=
48
a
+
12
(6)
5
q
(
9
p
−
7
)
=
45
p
q
−
35
q
(7)
2
(
7
p
−
3
)
=
14
p
−
6
(8)
2
p
q
−
p
7
p
=
14
q
−
7
(9)
9
(
5
u
−
5
)
=
45
u
−
45
(10)
8
u
v
+
u
7
u
=
56
v
+
7
(11)
3
x
y
+
x
7
x
=
21
y
+
7
(12)
7
b
(
a
+
4
)
=
7
a
b
+
28
b
(13)
8
(
2
a
b
−
10
a
)
÷
a
=
16
b
−
80
(14)
6
(
9
p
q
+
4
p
)
p
=
54
q
+
24