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소수점 1자리 덧셈

1
1.4
+
3.5
=
4.9
2
4.2
+
2.8
=
7
3
5.2
+
5.6
=
10.8
4
2.3
+
2.1
=
4.4
5
3.7
+
5.7
=
9.4
6
2.2
+
9.1
=
11.3
7
1.2
+
7.1
=
8.3
8
4.2
+
7.6
=
11.8
9
2.7
+
3.2
=
5.9
10
9.5
+
8.9
=
18.4
11
6.9
+
2.3
=
9.2
12
4.3
+
6.8
=
11.1
13
5.5
+
8.5
=
14
14
5.4
+
1.1
=
6.5
15
7.3
+
1.1
=
8.4