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소숫점: 1자리 덧셈31

1
3.1
+
9.9
=
13
2
5.2
+
2.2
=
7.4
3
3.2
+
5.7
=
8.9
4
3.2
+
8.8
=
12
5
1.9
+
4.2
=
6.1
6
2.2
+
5.9
=
8.1
7
1.2
+
6.4
=
7.6
8
8.6
+
3.9
=
12.5
9
2.2
+
1.8
=
4
10
3.8
+
1.2
=
5
11
2.4
+
5.3
=
7.7
12
2.5
+
1.2
=
3.7
13
6.9
+
5.9
=
12.8
14
7.9
+
6.3
=
14.2
15
8.2
+
5.6
=
13.8