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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
a
b
+
6
a
10
a
(2)
3
p
q
+
4
p
7
p
(3)
5
(
7
x
y
+
3
x
)
x
(4)
3
(
4
a
b
+
a
)
÷
a
(5)
4
(
3
p
q
−
9
p
)
p
(6)
8
(
10
a
+
b
)
(7)
3
(
5
x
−
6
)
(8)
7
(
u
+
10
)
(9)
5
u
v
+
8
u
6
u
(10)
6
(
4
x
y
−
8
x
)
x
(11)
6
(
3
a
−
3
b
)
(12)
5
y
(
3
x
−
1
)
(13)
3
(
7
a
b
+
7
a
)
÷
a
(14)
6
(
p
q
+
3
p
)
÷
p
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
4
a
b
+
6
a
10
a
=
40
b
+
60
(2)
3
p
q
+
4
p
7
p
=
21
q
+
28
(3)
5
(
7
x
y
+
3
x
)
x
=
35
y
+
15
(4)
3
(
4
a
b
+
a
)
÷
a
=
12
b
+
3
(5)
4
(
3
p
q
−
9
p
)
p
=
12
q
−
36
(6)
8
(
10
a
+
b
)
=
80
a
+
8
b
(7)
3
(
5
x
−
6
)
=
15
x
−
18
(8)
7
(
u
+
10
)
=
7
u
+
70
(9)
5
u
v
+
8
u
6
u
=
30
v
+
48
(10)
6
(
4
x
y
−
8
x
)
x
=
24
y
−
48
(11)
6
(
3
a
−
3
b
)
=
18
a
−
18
b
(12)
5
y
(
3
x
−
1
)
=
15
x
y
−
5
y
(13)
3
(
7
a
b
+
7
a
)
÷
a
=
21
b
+
21
(14)
6
(
p
q
+
3
p
)
÷
p
=
6
q
+
18