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©2025 数学クラブ http://sugaku.club/
月 日（ ）
● 次の計算をしましょう
[162-00]
(1)
3
4
28
a
b
÷
(
−4
a
)
(2)
4
2
−18
x
÷
(
−3
y
)
(3)
3
4
30
p
÷
(
5
p
q
)
(4)
4
−100
v
w
÷
(
−10
u
)
(5)
3
4
3
2
9
u
v
÷
(
9
u
v
)
(6)
4
2
3
−70
y
z
÷
(
10
x
)
(7)
4
4
49
a
÷
(
−7
b
)
(8)
4
2
30
y
÷
(
6
z
)
(9)
4
2
4
−60
b
÷
(
−10
a
b
)
(10)
63
q
÷
(
9
q
)
(11)
2
2
−64
a
÷
(
−8
b
)
(12)
2
48
a
÷
(
8
a
)
(13)
3
3
2
20
y
z
÷
(
−5
x
)
(14)
3
3
63
p
÷
(
7
q
)
(15)
2
3
−6
u
÷
(
6
u
)
(16)
4
4
4
−40
u
v
÷
(
5
v
w
)
©2025 数学クラブ http://sugaku.club/
月 日（ ）
【解答例】
(1)
3
4
28
a
b
÷
(
−4
a
)
3
4
28
a
b
2
4
=
=
−7
a
b
−4
a
(2)
4
2
−18
x
÷
(
−3
y
)
4
−18
x
4
6
x
=
=
2
−3
y
2
y
(3)
3
4
30
p
÷
(
5
p
q
)
30
p
6
=
=
3
4
5
p
q
2
4
p
q
(4)
4
−100
v
w
÷
(
−10
u
)
4
−100
v
w
4
10
v
w
=
=
−10
u
u
(5)
3
4
3
2
9
u
v
÷
(
9
u
v
)
3
4
9
u
v
2
=
=
v
3
2
9
u
v
(6)
4
2
3
−70
y
z
÷
(
10
x
)
4
2
−70
y
z
4
2
7
y
z
=
=
−
3
10
x
3
x
(7)
4
4
49
a
÷
(
−7
b
)
4
49
a
4
7
a
=
=
−
4
−7
b
4
b
(8)
4
2
30
y
÷
(
6
z
)
4
30
y
4
5
y
=
=
2
6
z
2
z
(9)
4
2
4
−60
b
÷
(
−10
a
b
)
4
−60
b
6
=
=
2
4
−10
a
b
2
a
(10)
63
q
÷
(
9
q
)
63
q
=
=
7
9
q
(11)
2
2
−64
a
÷
(
−8
b
)
2
−64
a
2
8
a
=
=
2
−8
b
2
b
(12)
2
48
a
÷
(
8
a
)
2
48
a
=
=
6
a
8
a
(13)
3
3
2
20
y
z
÷
(
−5
x
)
3
3
20
y
z
3
3
4
y
z
=
=
−
2
−5
x
2
x
(14)
3
3
63
p
÷
(
7
q
)
3
63
p
3
9
p
=
=
3
7
q
3
q
(15)
2
3
−6
u
÷
(
6
u
)
2
−6
u
1
=
=
−
3
6
u
u
(16)
4
4
4
−40
u
v
÷
(
5
v
w
)
4
4
−40
u
v
4
8
u
=
=
−
4
5
v
w
w