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©2024 数学クラブ http://sugaku.club/
月 日( )
● 計算しなさい
[1Q1-00]
(1)
63
63
+
(2)
75
12
+
(3)
20
125
−2
+
(4)
12
12
−5
+
(5)
27
75
+
(6)
50
8
−7
+
(7)
12
75
+
(8)
20
125
−9
−
2
(9)
125
125
+
(10)
175
28
+
7
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
63
63
+
7
7
=
3
+
3
7
=
6
(2)
75
12
+
3
3
=
5
+
2
3
=
7
(3)
20
125
−2
+
5
5
=
−2
×
2
+
5
5
=
(4)
12
12
−5
+
3
3
=
−5
×
2
+
2
3
=
−8
(5)
27
75
+
3
3
=
3
+
5
3
=
8
(6)
50
8
−7
+
2
2
=
−7
×
5
+
2
2
=
−33
(7)
12
75
+
3
3
=
2
+
5
3
=
7
(8)
20
125
−9
−
2
5
5
=
−9
×
2
−
2
×
5
5
=
−28
(9)
125
125
+
5
5
=
5
+
5
5
=
10
(10)
175
28
+
7
7
7
=
5
+
7
×
2
7
=
19