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소숫점: 1자리 덧셈23

1
2.3
+
7.1
=
9.4
2
8.5
+
4.8
=
13.3
3
8.3
+
8.9
=
17.2
4
5.5
+
3.3
=
8.8
5
7.2
+
1.9
=
9.1
6
7.4
+
4.2
=
11.6
7
3.4
+
3.3
=
6.7
8
3.3
+
5.7
=
9
9
5.4
+
6.4
=
11.8
10
2.9
+
9.5
=
12.4
11
4.7
+
1.1
=
5.8
12
2.6
+
3.5
=
6.1
13
3.9
+
4.3
=
8.2
14
8.4
+
3.5
=
11.9
15
2.7
+
7.5
=
10.2