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소숫점: 1자리 덧셈23

1
2.3
+
9.1
=
11.4
2
4.6
+
4.3
=
8.9
3
7.3
+
3.8
=
11.1
4
4.8
+
7.1
=
11.9
5
7.1
+
5.6
=
12.7
6
1.1
+
8.4
=
9.5
7
1.5
+
7.2
=
8.7
8
2.6
+
3.1
=
5.7
9
1.4
+
1.1
=
2.5
10
3.9
+
6.9
=
10.8
11
1.1
+
8.4
=
9.5
12
3.7
+
1.6
=
5.3
13
4.6
+
8.5
=
13.1
14
6.3
+
6.4
=
12.7
15
1.7
+
6.4
=
8.1