[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)
6
(
a
+
7
b
−
8
)
(2)
x
y
−
6
x
7
x
(3)
10
(
4
a
+
3
)
(4)
9
(
7
x
−
10
y
)
(5)
4
(
6
u
v
+
2
u
)
÷
u
(6)
6
(
3
p
+
3
)
(7)
8
a
b
+
2
a
4
a
(8)
10
p
q
+
4
p
2
p
(9)
2
(
4
p
q
+
7
p
)
p
(10)
9
u
v
−
6
u
6
u
(11)
9
(
3
u
+
10
v
)
(12)
2
(
5
a
+
b
+
5
)
(13)
2
(
2
p
−
6
)
(14)
4
q
(
p
+
10
)
©2026 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
6
(
a
+
7
b
−
8
)
=
6
a
+
42
b
−
48
(2)
x
y
−
6
x
7
x
=
7
y
−
42
(3)
10
(
4
a
+
3
)
=
40
a
+
30
(4)
9
(
7
x
−
10
y
)
=
63
x
−
90
y
(5)
4
(
6
u
v
+
2
u
)
÷
u
=
24
v
+
8
(6)
6
(
3
p
+
3
)
=
18
p
+
18
(7)
8
a
b
+
2
a
4
a
=
32
b
+
8
(8)
10
p
q
+
4
p
2
p
=
20
q
+
8
(9)
2
(
4
p
q
+
7
p
)
p
=
8
q
+
14
(10)
9
u
v
−
6
u
6
u
=
54
v
−
36
(11)
9
(
3
u
+
10
v
)
=
27
u
+
90
v
(12)
2
(
5
a
+
b
+
5
)
=
10
a
+
2
b
+
10
(13)
2
(
2
p
−
6
)
=
4
p
−
12
(14)
4
q
(
p
+
10
)
=
4
p
q
+
40
q