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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)
9
u
v
+
u
4
u
(2)
2
(
6
x
+
4
y
+
4
)
(3)
4
a
b
+
8
a
3
a
(4)
10
(
10
x
y
+
4
x
)
÷
x
(5)
8
(
3
u
−
7
)
(6)
9
(
8
x
y
+
7
x
)
÷
x
(7)
10
q
(
7
p
+
3
)
(8)
4
p
q
−
9
p
7
p
(9)
2
(
2
u
+
4
v
)
(10)
4
(
3
x
y
+
2
x
)
x
(11)
8
(
a
b
+
7
a
)
÷
a
(12)
10
u
v
−
2
u
4
u
(13)
7
(
7
u
v
+
2
u
)
u
(14)
2
q
(
6
p
−
5
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
9
u
v
+
u
4
u
=
36
v
+
4
(2)
2
(
6
x
+
4
y
+
4
)
=
12
x
+
8
y
+
8
(3)
4
a
b
+
8
a
3
a
=
12
b
+
24
(4)
10
(
10
x
y
+
4
x
)
÷
x
=
100
y
+
40
(5)
8
(
3
u
−
7
)
=
24
u
−
56
(6)
9
(
8
x
y
+
7
x
)
÷
x
=
72
y
+
63
(7)
10
q
(
7
p
+
3
)
=
70
p
q
+
30
q
(8)
4
p
q
−
9
p
7
p
=
28
q
−
63
(9)
2
(
2
u
+
4
v
)
=
4
u
+
8
v
(10)
4
(
3
x
y
+
2
x
)
x
=
12
y
+
8
(11)
8
(
a
b
+
7
a
)
÷
a
=
8
b
+
56
(12)
10
u
v
−
2
u
4
u
=
40
v
−
8
(13)
7
(
7
u
v
+
2
u
)
u
=
49
v
+
14
(14)
2
q
(
6
p
−
5
)
=
12
p
q
−
10
q