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©2024 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q2-00]
(1)
1
1
+
5
5
(2)
7
1
+
7
(3)
63
1
10
+
28
(4)
1
3
−
6
3
(5)
175
2
−3
−
7
(6)
1
2
−
10
8
(7)
9
3
−
3
75
(8)
1
3
−
28
175
(9)
9
9
+
5
5
(10)
2
10
+
8
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
1
1
+
5
5
5
5
=
+
5
5
2
5
=
5
(2)
7
1
+
7
7
7
=
+
7
8
7
=
7
(3)
63
1
10
+
28
7
1
=
10
×
3
+
7
2
7
7
=
10
×
3
+
2
×
7
421
7
=
14
(4)
1
3
−
6
3
3
3
=
−
6
3
17
3
=
−
3
(5)
175
2
−3
−
7
7
2
=
−3
×
5
−
7
7
7
2
=
−3
×
5
−
7
107
7
=
−
7
(6)
1
2
−
10
8
1
2
=
−
10
2
2
2
2
=
−
10
2
×
2
39
2
=
−
4
(7)
9
3
−
3
75
9
3
=
−
3
3
5
3
9
3
3
=
−
3
5
×
3
14
3
=
5
(8)
1
3
−
28
175
1
3
=
−
7
2
7
5
7
7
3
=
−
2
×
7
5
×
7
1
7
=
−
70
(9)
9
9
+
5
5
5
9
5
9
=
+
5
5
18
5
=
5
(10)
2
10
+
8
2
10
=
+
2
2
2
2
10
=
+
2
×
2
7
2
=
2