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소숫점: 1자리 덧셈39

1
3.9
+
8.1
=
12
2
1.3
+
4.2
=
5.5
3
4.4
+
7.3
=
11.7
4
5.6
+
2.5
=
8.1
5
5.3
+
6.2
=
11.5
6
1.1
+
4.5
=
5.6
7
2.1
+
5.1
=
7.2
8
4.2
+
6.4
=
10.6
9
4.4
+
6.2
=
10.6
10
3.4
+
2.5
=
5.9
11
3.1
+
5.1
=
8.2
12
3.4
+
7.2
=
10.6
13
3.7
+
6.5
=
10.2
14
7.1
+
3.8
=
10.9
15
3.9
+
5.6
=
9.5