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소숫점: 1자리 덧셈31

1
3.1
+
8.3
=
11.4
2
7.6
+
6.8
=
14.4
3
1.5
+
9.4
=
10.9
4
5.4
+
9.8
=
15.2
5
2.9
+
2.5
=
5.4
6
9.8
+
3.1
=
12.9
7
8.1
+
7.5
=
15.6
8
6.7
+
4.8
=
11.5
9
3.7
+
7.3
=
11
10
8.8
+
4.5
=
13.3
11
2.8
+
6.1
=
8.9
12
1.3
+
5.5
=
6.8
13
5.2
+
6.3
=
11.5
14
7.7
+
2.8
=
10.5
15
9.4
+
3.1
=
12.5