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소숫점: 1자리 덧셈23

1
2.3
+
1.3
=
3.6
2
4.3
+
1.4
=
5.7
3
5.6
+
5.1
=
10.7
4
6.7
+
3.8
=
10.5
5
2.3
+
9.6
=
11.9
6
2.5
+
6.3
=
8.8
7
4.9
+
6.3
=
11.2
8
4.7
+
3.8
=
8.5
9
9.4
+
2.2
=
11.6
10
2.1
+
2.8
=
4.9
11
3.2
+
7.7
=
10.9
12
1.6
+
1.1
=
2.7
13
9.4
+
3.7
=
13.1
14
4.6
+
1.4
=
6
15
3.2
+
2.1
=
5.3