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소숫점: 1자리 덧셈39

1
3.9
+
2.4
=
6.3
2
7.1
+
4.6
=
11.7
3
7.2
+
1.8
=
9
4
9.2
+
4.7
=
13.9
5
4.5
+
9.9
=
14.4
6
5.9
+
5.2
=
11.1
7
5.5
+
1.3
=
6.8
8
4.1
+
9.5
=
13.6
9
5.6
+
8.8
=
14.4
10
2.7
+
2.8
=
5.5
11
8.1
+
7.2
=
15.3
12
3.5
+
9.2
=
12.7
13
6.4
+
4.2
=
10.6
14
5.7
+
8.3
=
14
15
4.2
+
3.1
=
7.3