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소수점 1자리 덧셈

1
1.8
+
4.5
=
6.3
2
2.3
+
5.6
=
7.9
3
2.4
+
2.3
=
4.7
4
1.1
+
2.4
=
3.5
5
2.3
+
8.6
=
10.9
6
2.3
+
3.4
=
5.7
7
9.3
+
3.3
=
12.6
8
3.6
+
9.1
=
12.7
9
3.5
+
2.1
=
5.6
10
2.4
+
4.3
=
6.7
11
2.4
+
3.1
=
5.5
12
7.2
+
6.5
=
13.7
13
1.6
+
4.1
=
5.7
14
4.8
+
6.5
=
11.3
15
6.6
+
5.4
=
12