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소수점 1자리 덧셈

1
3.1
+
4.6
=
7.7
2
2.1
+
9.5
=
11.6
3
3.3
+
6.5
=
9.8
4
9.9
+
5.4
=
15.3
5
4.5
+
2.4
=
6.9
6
5.4
+
5.4
=
10.8
7
3.3
+
6.2
=
9.5
8
2.9
+
4.5
=
7.4
9
4.6
+
2.8
=
7.4
10
3.9
+
9.6
=
13.5
11
7.2
+
8.8
=
16
12
9.6
+
3.3
=
12.9
13
5.5
+
3.2
=
8.7
14
1.5
+
5.3
=
6.8
15
1.1
+
3.4
=
4.5