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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)
6
(
9
u
+
7
)
(2)
2
u
v
−
3
u
4
u
(3)
4
(
3
a
+
6
b
)
(4)
6
(
6
u
v
+
9
u
)
÷
u
(5)
2
y
(
2
x
+
2
)
(6)
9
(
u
v
+
5
u
)
÷
u
(7)
10
(
9
p
−
5
)
(8)
3
(
10
u
v
−
8
u
)
÷
u
(9)
9
(
9
a
+
b
)
(10)
2
(
x
−
6
y
)
(11)
2
x
y
+
10
x
3
x
(12)
4
(
6
p
−
9
q
)
(13)
10
(
10
a
b
+
a
)
÷
a
(14)
3
(
6
u
v
+
7
u
)
÷
u
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
6
(
9
u
+
7
)
=
54
u
+
42
(2)
2
u
v
−
3
u
4
u
=
8
v
−
12
(3)
4
(
3
a
+
6
b
)
=
12
a
+
24
b
(4)
6
(
6
u
v
+
9
u
)
÷
u
=
36
v
+
54
(5)
2
y
(
2
x
+
2
)
=
4
x
y
+
4
y
(6)
9
(
u
v
+
5
u
)
÷
u
=
9
v
+
45
(7)
10
(
9
p
−
5
)
=
90
p
−
50
(8)
3
(
10
u
v
−
8
u
)
÷
u
=
30
v
−
24
(9)
9
(
9
a
+
b
)
=
81
a
+
9
b
(10)
2
(
x
−
6
y
)
=
2
x
−
12
y
(11)
2
x
y
+
10
x
3
x
=
6
y
+
30
(12)
4
(
6
p
−
9
q
)
=
24
p
−
36
q
(13)
10
(
10
a
b
+
a
)
÷
a
=
100
b
+
10
(14)
3
(
6
u
v
+
7
u
)
÷
u
=
18
v
+
21