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소수점 1자리 덧셈

1
2.4
+
2.4
=
4.8
2
5.3
+
3.1
=
8.4
3
7.3
+
8.2
=
15.5
4
5.4
+
2.5
=
7.9
5
3.1
+
6.6
=
9.7
6
7.3
+
7.5
=
14.8
7
6.9
+
2.2
=
9.1
8
8.5
+
1.8
=
10.3
9
6.1
+
3.8
=
9.9
10
1.6
+
6.3
=
7.9
11
4.6
+
8.1
=
12.7
12
2.1
+
1.4
=
3.5
13
5.4
+
7.1
=
12.5
14
4.6
+
4.1
=
8.7
15
7.8
+
2.2
=
10