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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
(
10
a
+
6
)
(2)
6
b
(
a
+
4
)
(3)
6
(
9
x
y
+
5
x
)
x
(4)
6
v
(
3
u
−
2
)
(5)
7
(
5
a
b
+
8
a
)
a
(6)
7
(
10
a
−
5
b
+
4
)
(7)
8
(
2
a
+
5
)
(8)
6
(
10
p
−
8
)
(9)
3
(
5
x
+
6
)
(10)
9
(
5
p
+
8
q
)
(11)
4
(
9
u
v
+
6
u
)
÷
u
(12)
3
a
b
+
a
9
a
(13)
7
u
v
+
6
u
3
u
(14)
5
(
9
u
v
−
10
u
)
÷
u
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
7
(
10
a
+
6
)
=
70
a
+
42
(2)
6
b
(
a
+
4
)
=
6
a
b
+
24
b
(3)
6
(
9
x
y
+
5
x
)
x
=
54
y
+
30
(4)
6
v
(
3
u
−
2
)
=
18
u
v
−
12
v
(5)
7
(
5
a
b
+
8
a
)
a
=
35
b
+
56
(6)
7
(
10
a
−
5
b
+
4
)
=
70
a
−
35
b
+
28
(7)
8
(
2
a
+
5
)
=
16
a
+
40
(8)
6
(
10
p
−
8
)
=
60
p
−
48
(9)
3
(
5
x
+
6
)
=
15
x
+
18
(10)
9
(
5
p
+
8
q
)
=
45
p
+
72
q
(11)
4
(
9
u
v
+
6
u
)
÷
u
=
36
v
+
24
(12)
3
a
b
+
a
9
a
=
27
b
+
9
(13)
7
u
v
+
6
u
3
u
=
21
v
+
18
(14)
5
(
9
u
v
−
10
u
)
÷
u
=
45
v
−
50