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소수점 1자리 덧셈

1
2.8
+
9.2
=
12
2
6.5
+
7.9
=
14.4
3
2.9
+
7.4
=
10.3
4
7.7
+
3.3
=
11
5
2.3
+
7.1
=
9.4
6
2.9
+
6.9
=
9.8
7
5.3
+
9.8
=
15.1
8
4.4
+
4.6
=
9
9
2.1
+
5.1
=
7.2
10
9.5
+
2.5
=
12
11
2.4
+
3.2
=
5.6
12
9.9
+
9.9
=
19.8
13
7.3
+
3.5
=
10.8
14
8.5
+
5.5
=
14
15
1.6
+
5.4
=
7