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소수점 1자리 덧셈

1
2.1
+
5.7
=
7.8
2
1.5
+
7.1
=
8.6
3
5.5
+
5.5
=
11
4
2.3
+
1.6
=
3.9
5
7.6
+
3.5
=
11.1
6
2.2
+
6.2
=
8.4
7
8.1
+
7.5
=
15.6
8
2.8
+
2.9
=
5.7
9
9.4
+
2.4
=
11.8
10
2.7
+
2.8
=
5.5
11
4.3
+
5.5
=
9.8
12
5.6
+
6.4
=
12
13
2.6
+
7.5
=
10.1
14
7.5
+
2.4
=
9.9
15
8.6
+
9.2
=
17.8