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소수점 1자리 덧셈

1
4.2
+
1.1
=
5.3
2
8.9
+
4.5
=
13.4
3
1.2
+
8.4
=
9.6
4
5.4
+
2.2
=
7.6
5
1.4
+
5.4
=
6.8
6
8.5
+
9.7
=
18.2
7
1.5
+
6.5
=
8
8
3.6
+
2.8
=
6.4
9
3.3
+
5.1
=
8.4
10
2.2
+
3.1
=
5.3
11
4.8
+
9.4
=
14.2
12
1.5
+
1.2
=
2.7
13
3.9
+
3.6
=
7.5
14
3.2
+
6.4
=
9.6
15
3.5
+
9.7
=
13.2