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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)
7
(
4
u
v
+
u
)
÷
u
(2)
8
u
v
+
3
u
2
u
(3)
5
(
8
x
+
9
)
(4)
5
(
5
u
−
4
v
)
(5)
4
(
4
x
−
3
y
+
10
)
(6)
9
(
2
x
−
3
y
+
9
)
(7)
3
u
v
+
8
u
3
u
(8)
8
(
9
a
b
+
a
)
a
(9)
10
(
8
u
v
−
8
u
)
u
(10)
10
(
2
u
+
8
)
(11)
10
(
8
u
v
−
9
u
)
÷
u
(12)
8
q
(
8
p
+
1
)
(13)
7
(
6
p
q
+
4
p
)
p
(14)
9
(
3
a
b
+
8
a
)
÷
a
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
7
(
4
u
v
+
u
)
÷
u
=
28
v
+
7
(2)
8
u
v
+
3
u
2
u
=
16
v
+
6
(3)
5
(
8
x
+
9
)
=
40
x
+
45
(4)
5
(
5
u
−
4
v
)
=
25
u
−
20
v
(5)
4
(
4
x
−
3
y
+
10
)
=
16
x
−
12
y
+
40
(6)
9
(
2
x
−
3
y
+
9
)
=
18
x
−
27
y
+
81
(7)
3
u
v
+
8
u
3
u
=
9
v
+
24
(8)
8
(
9
a
b
+
a
)
a
=
72
b
+
8
(9)
10
(
8
u
v
−
8
u
)
u
=
80
v
−
80
(10)
10
(
2
u
+
8
)
=
20
u
+
80
(11)
10
(
8
u
v
−
9
u
)
÷
u
=
80
v
−
90
(12)
8
q
(
8
p
+
1
)
=
64
p
q
+
8
q
(13)
7
(
6
p
q
+
4
p
)
p
=
42
q
+
28
(14)
9
(
3
a
b
+
8
a
)
÷
a
=
27
b
+
72