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소숫점: 1자리 덧셈39

1
3.9
+
9.1
=
13
2
1.9
+
1.3
=
3.2
3
3.5
+
5.4
=
8.9
4
8.4
+
6.6
=
15
5
5.2
+
5.7
=
10.9
6
1.2
+
3.8
=
5
7
4.9
+
4.9
=
9.8
8
7.3
+
2.3
=
9.6
9
1.8
+
1.6
=
3.4
10
3.3
+
4.3
=
7.6
11
3.6
+
2.8
=
6.4
12
2.9
+
9.5
=
12.4
13
7.5
+
1.9
=
9.4
14
6.5
+
4.2
=
10.7
15
1.4
+
1.9
=
3.3