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소수점 1자리 덧셈

1
3.9
+
6.4
=
10.3
2
8.1
+
6.4
=
14.5
3
3.4
+
2.4
=
5.8
4
7.1
+
5.1
=
12.2
5
8.2
+
5.7
=
13.9
6
2.6
+
1.1
=
3.7
7
8.4
+
4.4
=
12.8
8
7.3
+
6.6
=
13.9
9
4.2
+
2.2
=
6.4
10
4.2
+
7.1
=
11.3
11
4.4
+
3.3
=
7.7
12
4.5
+
7.2
=
11.7
13
4.6
+
4.4
=
9
14
4.2
+
9.4
=
13.6
15
3.9
+
1.5
=
5.4