[文字サイズの変更]
▼
▲
©2026 数学クラブ http://sugaku.club/
月 日( )
● 次の式を計算しなさい
[1A0-00]
(1)
8
x
y
−
8
x
4
x
(2)
7
(
5
a
b
+
4
a
)
a
(3)
2
(
7
p
q
+
3
p
)
÷
p
(4)
7
(
6
p
+
7
)
(5)
2
(
7
p
q
+
4
p
)
÷
p
(6)
7
(
2
u
v
+
2
u
)
u
(7)
6
(
5
a
−
10
b
)
(8)
2
(
a
+
3
b
)
(9)
2
b
(
10
a
−
4
)
(10)
3
(
6
u
+
9
v
−
8
)
(11)
9
(
6
a
b
−
3
a
)
a
(12)
9
(
10
u
+
10
v
)
(13)
5
(
9
u
−
5
v
+
4
)
(14)
10
(
8
a
b
+
a
)
÷
a
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
8
x
y
−
8
x
4
x
=
32
y
−
32
(2)
7
(
5
a
b
+
4
a
)
a
=
35
b
+
28
(3)
2
(
7
p
q
+
3
p
)
÷
p
=
14
q
+
6
(4)
7
(
6
p
+
7
)
=
42
p
+
49
(5)
2
(
7
p
q
+
4
p
)
÷
p
=
14
q
+
8
(6)
7
(
2
u
v
+
2
u
)
u
=
14
v
+
14
(7)
6
(
5
a
−
10
b
)
=
30
a
−
60
b
(8)
2
(
a
+
3
b
)
=
2
a
+
6
b
(9)
2
b
(
10
a
−
4
)
=
20
a
b
−
8
b
(10)
3
(
6
u
+
9
v
−
8
)
=
18
u
+
27
v
−
24
(11)
9
(
6
a
b
−
3
a
)
a
=
54
b
−
27
(12)
9
(
10
u
+
10
v
)
=
90
u
+
90
v
(13)
5
(
9
u
−
5
v
+
4
)
=
45
u
−
25
v
+
20
(14)
10
(
8
a
b
+
a
)
÷
a
=
80
b
+
10