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소수점 1자리 덧셈

1
3.8
+
1.3
=
5.1
2
2.9
+
4.1
=
7
3
5.1
+
2.8
=
7.9
4
2.3
+
2.3
=
4.6
5
9.1
+
3.4
=
12.5
6
1.2
+
6.6
=
7.8
7
4.4
+
6.2
=
10.6
8
3.9
+
4.4
=
8.3
9
4.6
+
2.8
=
7.4
10
2.2
+
4.2
=
6.4
11
3.8
+
2.4
=
6.2
12
4.5
+
3.1
=
7.6
13
2.2
+
2.4
=
4.6
14
9.3
+
5.8
=
15.1
15
9.5
+
3.9
=
13.4