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소숫점: 1자리 덧셈31

1
3.1
+
6.1
=
9.2
2
3.8
+
1.2
=
5
3
4.4
+
3.5
=
7.9
4
6.9
+
1.1
=
8
5
3.5
+
8.5
=
12
6
5.6
+
4.8
=
10.4
7
4.1
+
9.8
=
13.9
8
4.5
+
5.4
=
9.9
9
5.9
+
3.1
=
9
10
5.9
+
5.5
=
11.4
11
7.1
+
2.1
=
9.2
12
5.9
+
2.3
=
8.2
13
5.6
+
1.6
=
7.2
14
5.3
+
8.2
=
13.5
15
8.3
+
3.3
=
11.6