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소수점 1자리 덧셈

1
2.4
+
8.4
=
10.8
2
4.5
+
9.5
=
14
3
8.8
+
2.8
=
11.6
4
9.2
+
5.3
=
14.5
5
2.8
+
2.2
=
5
6
6.3
+
4.5
=
10.8
7
8.2
+
9.4
=
17.6
8
6.2
+
7.9
=
14.1
9
4.2
+
3.9
=
8.1
10
5.6
+
1.2
=
6.8
11
8.9
+
3.6
=
12.5
12
8.3
+
6.4
=
14.7
13
3.6
+
3.8
=
7.4
14
5.4
+
3.7
=
9.1
15
2.1
+
5.2
=
7.3