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소숫점: 1자리 덧셈39

1
3.9
+
7.1
=
11
2
6.9
+
3.9
=
10.8
3
5.8
+
1.4
=
7.2
4
3.7
+
6.2
=
9.9
5
6.1
+
3.8
=
9.9
6
2.2
+
1.4
=
3.6
7
3.8
+
5.3
=
9.1
8
6.9
+
5.5
=
12.4
9
2.3
+
3.2
=
5.5
10
4.8
+
5.3
=
10.1
11
8.6
+
3.9
=
12.5
12
1.1
+
6.5
=
7.6
13
7.4
+
5.8
=
13.2
14
8.1
+
9.8
=
17.9
15
3.7
+
4.7
=
8.4