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소수점 1자리 덧셈

1
8.4
+
2.7
=
11.1
2
8.2
+
8.8
=
17
3
1.3
+
4.1
=
5.4
4
5.6
+
5.7
=
11.3
5
2.9
+
2.4
=
5.3
6
3.2
+
6.7
=
9.9
7
4.8
+
3.1
=
7.9
8
6.1
+
3.4
=
9.5
9
2.1
+
6.1
=
8.2
10
1.9
+
5.8
=
7.7
11
7.4
+
3.2
=
10.6
12
8.2
+
5.1
=
13.3
13
5.4
+
8.2
=
13.6
14
3.1
+
6.1
=
9.2
15
6.5
+
5.3
=
11.8