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소수점 1자리 덧셈

1
2.1
+
3.4
=
5.5
2
3.4
+
2.5
=
5.9
3
8.1
+
7.7
=
15.8
4
2.3
+
4.1
=
6.4
5
9.4
+
8.6
=
18
6
3.1
+
2.9
=
6
7
7.1
+
1.9
=
9
8
4.4
+
1.5
=
5.9
9
4.4
+
5.2
=
9.6
10
9.2
+
5.5
=
14.7
11
5.4
+
2.9
=
8.3
12
5.7
+
2.3
=
8
13
8.8
+
1.6
=
10.4
14
1.1
+
6.2
=
7.3
15
2.8
+
5.1
=
7.9