[文字サイズの変更]
▼
▲
©2025 数学クラブ http://sugaku.club/
月 日( )
● 次の式を計算しなさい
[1A0-00]
(1)
8
(
4
a
+
6
b
−
9
)
(2)
3
(
8
u
v
+
10
u
)
÷
u
(3)
8
y
(
5
x
+
7
)
(4)
8
b
(
8
a
−
2
)
(5)
3
v
(
4
u
−
9
)
(6)
3
q
(
4
p
+
8
)
(7)
8
(
2
a
+
4
)
(8)
7
(
6
p
+
8
)
(9)
6
b
(
3
a
−
4
)
(10)
7
u
v
−
7
u
9
u
(11)
7
(
5
a
b
−
8
a
)
a
(12)
9
v
(
3
u
+
10
)
(13)
2
(
10
u
v
+
4
u
)
÷
u
(14)
5
(
6
a
b
+
4
a
)
÷
a
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
8
(
4
a
+
6
b
−
9
)
=
32
a
+
48
b
−
72
(2)
3
(
8
u
v
+
10
u
)
÷
u
=
24
v
+
30
(3)
8
y
(
5
x
+
7
)
=
40
x
y
+
56
y
(4)
8
b
(
8
a
−
2
)
=
64
a
b
−
16
b
(5)
3
v
(
4
u
−
9
)
=
12
u
v
−
27
v
(6)
3
q
(
4
p
+
8
)
=
12
p
q
+
24
q
(7)
8
(
2
a
+
4
)
=
16
a
+
32
(8)
7
(
6
p
+
8
)
=
42
p
+
56
(9)
6
b
(
3
a
−
4
)
=
18
a
b
−
24
b
(10)
7
u
v
−
7
u
9
u
=
63
v
−
63
(11)
7
(
5
a
b
−
8
a
)
a
=
35
b
−
56
(12)
9
v
(
3
u
+
10
)
=
27
u
v
+
90
v
(13)
2
(
10
u
v
+
4
u
)
÷
u
=
20
v
+
8
(14)
5
(
6
a
b
+
4
a
)
÷
a
=
30
b
+
20