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소숫점: 1자리 덧셈

1
3.7
+
1.5
=
5.2
2
2.2
+
9.7
=
11.9
3
4.9
+
5.8
=
10.7
4
1.1
+
3.4
=
4.5
5
2.3
+
1.3
=
3.6
6
3.7
+
3.1
=
6.8
7
9.2
+
6.2
=
15.4
8
4.2
+
7.4
=
11.6
9
5.9
+
2.5
=
8.4
10
5.9
+
2.5
=
8.4
11
5.9
+
2.9
=
8.8
12
5.1
+
8.5
=
13.6
13
1.2
+
6.1
=
7.3
14
6.4
+
1.1
=
7.5
15
5.2
+
4.6
=
9.8