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소숫점: 1자리 덧셈39

1
3.9
+
2.5
=
6.4
2
8.9
+
6.2
=
15.1
3
2.4
+
2.6
=
5
4
3.8
+
4.6
=
8.4
5
1.3
+
9.1
=
10.4
6
1.9
+
2.2
=
4.1
7
5.2
+
3.3
=
8.5
8
1.3
+
5.2
=
6.5
9
1.7
+
2.5
=
4.2
10
2.2
+
2.9
=
5.1
11
3.8
+
9.5
=
13.3
12
9.2
+
4.7
=
13.9
13
5.1
+
7.9
=
13
14
7.1
+
4.6
=
11.7
15
5.7
+
4.8
=
10.5