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소숫점: 1자리 덧셈39

1
3.9
+
1.4
=
5.3
2
1.9
+
1.3
=
3.2
3
2.9
+
1.6
=
4.5
4
1.1
+
8.5
=
9.6
5
9.4
+
8.5
=
17.9
6
1.4
+
7.2
=
8.6
7
7.6
+
3.9
=
11.5
8
3.7
+
7.2
=
10.9
9
4.7
+
1.4
=
6.1
10
3.6
+
2.9
=
6.5
11
3.4
+
2.6
=
6
12
5.2
+
4.4
=
9.6
13
4.2
+
4.8
=
9
14
4.9
+
1.1
=
6
15
5.9
+
5.4
=
11.3