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소수점 1자리 덧셈

1
5.1
+
3.1
=
8.2
2
1.2
+
4.3
=
5.5
3
9.5
+
9.4
=
18.9
4
2.1
+
2.2
=
4.3
5
9.4
+
3.3
=
12.7
6
2.1
+
3.3
=
5.4
7
9.6
+
5.7
=
15.3
8
3.4
+
4.4
=
7.8
9
1.8
+
5.2
=
7
10
7.9
+
4.4
=
12.3
11
9.5
+
2.6
=
12.1
12
2.4
+
9.3
=
11.7
13
7.6
+
5.2
=
12.8
14
8.5
+
2.4
=
10.9
15
7.4
+
4.5
=
11.9