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소수점 1자리 덧셈

1
2.7
+
2.7
=
5.4
2
4.4
+
1.4
=
5.8
3
6.8
+
5.5
=
12.3
4
4.2
+
5.4
=
9.6
5
4.9
+
6.1
=
11
6
6.8
+
3.7
=
10.5
7
3.3
+
8.8
=
12.1
8
5.2
+
4.6
=
9.8
9
2.8
+
5.1
=
7.9
10
9.2
+
3.2
=
12.4
11
8.1
+
9.1
=
17.2
12
9.4
+
6.5
=
15.9
13
4.1
+
9.7
=
13.8
14
7.9
+
4.2
=
12.1
15
4.3
+
4.8
=
9.1