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소수점 1자리 덧셈

1
3.9
+
9.2
=
13.1
2
9.3
+
1.7
=
11
3
3.3
+
1.2
=
4.5
4
8.2
+
5.1
=
13.3
5
5.5
+
2.5
=
8
6
8.4
+
9.8
=
18.2
7
5.9
+
2.5
=
8.4
8
9.2
+
5.5
=
14.7
9
6.1
+
8.7
=
14.8
10
5.6
+
8.5
=
14.1
11
9.1
+
5.8
=
14.9
12
4.5
+
2.9
=
7.4
13
2.9
+
8.2
=
11.1
14
4.5
+
4.2
=
8.7
15
1.1
+
5.6
=
6.7