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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)
2
x
y
+
2
x
6
x
(2)
8
(
5
p
+
6
)
(3)
10
(
3
a
+
5
)
(4)
10
(
10
a
b
−
7
a
)
÷
a
(5)
5
(
7
u
+
9
v
)
(6)
8
(
9
p
−
6
q
+
4
)
(7)
4
(
3
x
−
7
y
)
(8)
3
(
5
a
b
+
5
a
)
a
(9)
9
(
6
p
q
−
9
p
)
p
(10)
3
(
6
u
+
3
)
(11)
5
(
5
a
b
+
7
a
)
÷
a
(12)
10
(
3
p
q
+
5
p
)
÷
p
(13)
8
(
4
x
y
−
7
x
)
÷
x
(14)
7
(
u
+
7
v
+
3
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
2
x
y
+
2
x
6
x
=
12
y
+
12
(2)
8
(
5
p
+
6
)
=
40
p
+
48
(3)
10
(
3
a
+
5
)
=
30
a
+
50
(4)
10
(
10
a
b
−
7
a
)
÷
a
=
100
b
−
70
(5)
5
(
7
u
+
9
v
)
=
35
u
+
45
v
(6)
8
(
9
p
−
6
q
+
4
)
=
72
p
−
48
q
+
32
(7)
4
(
3
x
−
7
y
)
=
12
x
−
28
y
(8)
3
(
5
a
b
+
5
a
)
a
=
15
b
+
15
(9)
9
(
6
p
q
−
9
p
)
p
=
54
q
−
81
(10)
3
(
6
u
+
3
)
=
18
u
+
9
(11)
5
(
5
a
b
+
7
a
)
÷
a
=
25
b
+
35
(12)
10
(
3
p
q
+
5
p
)
÷
p
=
30
q
+
50
(13)
8
(
4
x
y
−
7
x
)
÷
x
=
32
y
−
56
(14)
7
(
u
+
7
v
+
3
)
=
7
u
+
49
v
+
21