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소수점 1자리 덧셈

1
2.8
+
1.3
=
4.1
2
6.4
+
1.4
=
7.8
3
2.7
+
9.9
=
12.6
4
3.4
+
5.9
=
9.3
5
4.1
+
5.8
=
9.9
6
1.1
+
2.3
=
3.4
7
4.5
+
7.7
=
12.2
8
5.3
+
2.6
=
7.9
9
3.5
+
7.5
=
11
10
8.3
+
5.8
=
14.1
11
4.8
+
3.8
=
8.6
12
2.3
+
9.3
=
11.6
13
9.8
+
3.8
=
13.6
14
2.8
+
6.4
=
9.2
15
7.9
+
6.9
=
14.8