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소수점 1자리 덧셈

1
3.4
+
2.1
=
5.5
2
1.1
+
4.8
=
5.9
3
1.5
+
6.4
=
7.9
4
9.8
+
5.7
=
15.5
5
3.5
+
2.1
=
5.6
6
3.9
+
6.5
=
10.4
7
4.8
+
8.5
=
13.3
8
2.6
+
1.2
=
3.8
9
4.3
+
7.1
=
11.4
10
3.7
+
2.8
=
6.5
11
8.7
+
1.4
=
10.1
12
8.3
+
6.5
=
14.8
13
3.3
+
4.2
=
7.5
14
1.5
+
1.8
=
3.3
15
2.4
+
7.5
=
9.9