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소수점 1자리 덧셈

1
2.5
+
2.4
=
4.9
2
1.5
+
4.9
=
6.4
3
6.9
+
1.4
=
8.3
4
9.6
+
5.5
=
15.1
5
9.6
+
5.3
=
14.9
6
5.2
+
9.5
=
14.7
7
4.1
+
2.4
=
6.5
8
8.4
+
3.3
=
11.7
9
3.1
+
4.4
=
7.5
10
3.1
+
3.3
=
6.4
11
2.8
+
5.6
=
8.4
12
1.7
+
4.2
=
5.9
13
9.4
+
9.3
=
18.7
14
4.1
+
1.5
=
5.6
15
3.1
+
5.3
=
8.4