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소수점 1자리 덧셈

1
3.1
+
8.4
=
11.5
2
7.3
+
1.8
=
9.1
3
3.3
+
6.6
=
9.9
4
3.2
+
5.6
=
8.8
5
4.2
+
3.4
=
7.6
6
9.1
+
4.2
=
13.3
7
4.5
+
9.3
=
13.8
8
6.1
+
2.6
=
8.7
9
2.4
+
4.2
=
6.6
10
2.4
+
2.6
=
5
11
2.8
+
1.7
=
4.5
12
1.1
+
8.8
=
9.9
13
1.7
+
1.6
=
3.3
14
1.4
+
6.2
=
7.6
15
4.7
+
5.4
=
10.1