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소수점 1자리 덧셈

1
9.2
+
8.9
=
18.1
2
2.5
+
4.1
=
6.6
3
1.2
+
4.6
=
5.8
4
3.1
+
3.2
=
6.3
5
2.3
+
4.1
=
6.4
6
4.6
+
2.2
=
6.8
7
7.5
+
9.4
=
16.9
8
5.7
+
5.7
=
11.4
9
3.6
+
1.6
=
5.2
10
3.3
+
2.9
=
6.2
11
8.3
+
3.8
=
12.1
12
3.2
+
4.3
=
7.5
13
4.3
+
4.9
=
9.2
14
1.6
+
7.2
=
8.8
15
3.4
+
5.8
=
9.2