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소숫점: 1자리 덧셈13

1
1.3
+
4.6
=
5.9
2
5.4
+
1.5
=
6.9
3
4.8
+
9.9
=
14.7
4
8.3
+
7.4
=
15.7
5
8.3
+
4.7
=
13
6
4.6
+
7.2
=
11.8
7
1.8
+
2.4
=
4.2
8
1.5
+
5.2
=
6.7
9
2.5
+
8.6
=
11.1
10
5.2
+
3.2
=
8.4
11
2.9
+
4.4
=
7.3
12
5.5
+
7.6
=
13.1
13
5.1
+
3.6
=
8.7
14
9.1
+
9.5
=
18.6
15
3.5
+
7.6
=
11.1