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소숫점: 1자리 덧셈14

1
1.4
+
3.9
=
5.3
2
4.9
+
8.4
=
13.3
3
7.9
+
5.8
=
13.7
4
6.3
+
6.4
=
12.7
5
6.6
+
1.2
=
7.8
6
8.5
+
8.9
=
17.4
7
6.5
+
1.2
=
7.7
8
3.5
+
3.8
=
7.3
9
4.1
+
9.4
=
13.5
10
3.8
+
2.9
=
6.7
11
7.4
+
1.2
=
8.6
12
5.7
+
8.2
=
13.9
13
3.1
+
5.1
=
8.2
14
3.2
+
8.5
=
11.7
15
8.5
+
1.9
=
10.4