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소수점 1자리 덧셈

1
1.1
+
7.7
=
8.8
2
5.4
+
8.5
=
13.9
3
2.1
+
4.9
=
7
4
3.9
+
6.2
=
10.1
5
3.7
+
2.1
=
5.8
6
4.5
+
9.3
=
13.8
7
7.9
+
2.3
=
10.2
8
8.3
+
5.5
=
13.8
9
4.8
+
8.2
=
13
10
1.1
+
1.2
=
2.3
11
7.4
+
2.4
=
9.8
12
3.7
+
3.5
=
7.2
13
7.1
+
6.2
=
13.3
14
1.1
+
8.1
=
9.2
15
3.5
+
5.7
=
9.2
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