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소수점 1자리 덧셈

1
4.2
+
2.1
=
6.3
2
9.4
+
5.6
=
15
3
8.2
+
1.9
=
10.1
4
1.9
+
7.2
=
9.1
5
8.2
+
1.5
=
9.7
6
5.5
+
5.2
=
10.7
7
5.7
+
1.6
=
7.3
8
5.1
+
9.4
=
14.5
9
4.2
+
4.2
=
8.4
10
3.6
+
1.9
=
5.5
11
1.2
+
7.6
=
8.8
12
3.4
+
3.3
=
6.7
13
5.5
+
1.3
=
6.8
14
4.2
+
6.2
=
10.4
15
2.2
+
3.8
=
6