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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
2
+
4
8
(2)
5
75
+
10
75
(3)
9
2
+
4
2
(4)
63
2
9
+
175
(5)
−10
1
+
75
75
(6)
2
1
−9
+
2
(7)
1
1
+
7
7
(8)
125
10
+
20
(9)
1
9
+
7
175
(10)
8
7
−4
−
8
©2024 数学クラブ http://sugaku.club/
月 日( )
【解答例】
(1)
1
2
+
4
8
1
2
=
+
4
2
2
2
2
=
+
4
2
×
2
17
2
=
4
(2)
5
75
+
10
75
5
3
=
+
10
×
5
3
5
3
5
3
=
+
10
×
5
5
×
3
151
3
=
3
(3)
9
2
+
4
2
2
9
2
=
+
4
2
17
2
=
2
(4)
63
2
9
+
175
7
2
=
9
×
3
+
7
5
7
7
2
=
9
×
3
+
5
×
7
947
7
=
35
(5)
−10
1
+
75
75
10
1
=
−
+
3
5
3
5
3
10
3
=
−
+
5
×
3
5
×
3
3
3
=
−
5
(6)
2
1
−9
+
2
2
2
=
−9
+
2
17
2
=
−
2
(7)
1
1
+
7
7
7
7
=
+
7
7
2
7
=
7
(8)
125
10
+
20
5
10
=
5
+
5
2
5
5
10
=
5
+
2
×
5
5
=
6
(9)
1
9
+
7
175
1
9
=
+
7
7
5
7
7
9
=
+
7
5
×
7
2
7
=
5
(10)
8
7
−4
−
8
2
7
=
−4
×
2
−
2
2
2
2
7
=
−4
×
2
−
2
×
2
39
2
=
−
4