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소수점 1자리 덧셈

1
5.3
+
8.4
=
13.7
2
8.1
+
2.2
=
10.3
3
6.4
+
6.7
=
13.1
4
2.5
+
3.1
=
5.6
5
8.9
+
4.2
=
13.1
6
7.5
+
3.8
=
11.3
7
1.7
+
6.5
=
8.2
8
1.8
+
5.6
=
7.4
9
3.4
+
7.1
=
10.5
10
8.3
+
2.9
=
11.2
11
4.2
+
2.6
=
6.8
12
4.5
+
1.2
=
5.7
13
8.2
+
1.4
=
9.6
14
1.2
+
8.6
=
9.8
15
4.7
+
4.1
=
8.8