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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)
5
u
v
−
6
u
9
u
(2)
7
(
10
a
b
+
8
a
)
÷
a
(3)
9
b
(
9
a
−
3
)
(4)
2
(
4
u
−
7
v
+
8
)
(5)
3
(
4
u
+
8
)
(6)
6
a
b
+
8
a
10
a
(7)
10
(
a
b
+
7
a
)
÷
a
(8)
2
(
7
p
q
+
8
p
)
p
(9)
3
(
3
a
b
+
9
a
)
÷
a
(10)
4
b
(
a
−
2
)
(11)
6
y
(
6
x
−
2
)
(12)
8
(
5
x
y
+
8
x
)
÷
x
(13)
2
(
7
p
q
+
5
p
)
p
(14)
3
(
4
a
−
10
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
5
u
v
−
6
u
9
u
=
45
v
−
54
(2)
7
(
10
a
b
+
8
a
)
÷
a
=
70
b
+
56
(3)
9
b
(
9
a
−
3
)
=
81
a
b
−
27
b
(4)
2
(
4
u
−
7
v
+
8
)
=
8
u
−
14
v
+
16
(5)
3
(
4
u
+
8
)
=
12
u
+
24
(6)
6
a
b
+
8
a
10
a
=
60
b
+
80
(7)
10
(
a
b
+
7
a
)
÷
a
=
10
b
+
70
(8)
2
(
7
p
q
+
8
p
)
p
=
14
q
+
16
(9)
3
(
3
a
b
+
9
a
)
÷
a
=
9
b
+
27
(10)
4
b
(
a
−
2
)
=
4
a
b
−
8
b
(11)
6
y
(
6
x
−
2
)
=
36
x
y
−
12
y
(12)
8
(
5
x
y
+
8
x
)
÷
x
=
40
y
+
64
(13)
2
(
7
p
q
+
5
p
)
p
=
14
q
+
10
(14)
3
(
4
a
−
10
)
=
12
a
−
30