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©2025 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q2-00]
(1)
8
2
+
2
2
(2)
5
1
+
5
(3)
1
9
+
7
7
(4)
5
75
+
3
(5)
−6
7
−
175
(6)
1
2
+
3
18
(7)
−2
1
+
18
2
(8)
6
1
+
7
28
(9)
45
8
−6
−
5
(10)
1
8
−
3
3
©2025 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
8
2
+
2
2
2
8
2
=
+
2
2
2
=
6
(2)
5
1
+
5
5
5
=
+
5
6
5
=
5
(3)
1
9
+
7
7
7
7
9
=
+
7
7
10
7
=
7
(4)
5
75
+
3
5
3
=
+
5
3
3
5
3
=
+
5
3
20
3
=
3
(5)
−6
7
−
175
6
7
=
−
−
7
5
7
6
7
=
−
−
5
×
7
41
7
=
−
35
(6)
1
2
+
3
18
1
2
=
+
3
2
3
2
2
=
+
3
3
×
2
19
2
=
6
(7)
−2
1
+
18
2
2
1
=
−
+
2
3
2
2
2
2
=
−
+
3
×
2
2
1
2
=
6
(8)
6
1
+
7
28
6
1
=
+
7
7
2
7
6
7
=
+
7
2
×
7
13
7
=
14
(9)
45
8
−6
−
5
5
8
=
−6
×
3
−
5
5
5
8
=
−6
×
3
−
5
98
5
=
−
5
(10)
1
8
−
3
3
3
3
8
=
−
3
3
7
3
=
−
3