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소수점 1자리 덧셈

1
5.5
+
2.5
=
8
2
7.8
+
1.9
=
9.7
3
7.1
+
9.5
=
16.6
4
4.7
+
4.5
=
9.2
5
2.1
+
3.4
=
5.5
6
3.8
+
2.1
=
5.9
7
5.9
+
4.6
=
10.5
8
5.8
+
6.1
=
11.9
9
1.4
+
4.2
=
5.6
10
4.7
+
4.6
=
9.3
11
8.5
+
8.3
=
16.8
12
4.1
+
3.3
=
7.4
13
3.4
+
9.8
=
13.2
14
6.9
+
6.8
=
13.7
15
3.7
+
2.9
=
6.6