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©2025 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q2-00]
(1)
1
75
+
3
(2)
1
9
+
3
3
(3)
−8
2
+
18
(4)
−8
4
−
5
45
(5)
−7
7
−
5
175
(6)
4
5
+
7
125
(7)
50
1
+
2
(8)
5
1
+
2
2
(9)
−2
1
+
7
7
(10)
2
8
+
2
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
1
75
+
3
1
3
=
+
5
3
3
3
=
+
5
3
16
3
=
3
(2)
1
9
+
3
3
3
3
9
=
+
3
3
10
3
=
3
(3)
−8
2
+
18
8
2
=
−
+
2
3
2
8
2
=
−
+
3
×
2
1
2
=
−
3
(4)
−8
4
−
5
45
8
4
=
−
−
5
5
3
5
8
5
4
=
−
−
5
3
×
5
28
5
=
−
15
(5)
−7
7
−
5
175
7
7
=
−
−
5
7
5
7
7
7
=
−
−
5
5
×
7
26
7
=
−
5
(6)
4
5
+
7
125
4
5
=
+
7
5
5
5
4
5
=
+
7
5
×
5
179
5
=
25
(7)
50
1
+
2
2
1
=
5
+
2
2
2
=
5
+
2
11
2
=
2
(8)
5
1
+
2
2
2
5
2
=
+
2
2
2
=
3
(9)
−2
1
+
7
7
7
2
7
=
−
+
7
7
1
7
=
−
7
(10)
2
8
+
2
2
2
8
=
+
2
2
=
5