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소숫점: 1자리 덧셈15

1
1.5
+
5.1
=
6.6
2
7.6
+
4.1
=
11.7
3
6.1
+
7.5
=
13.6
4
4.3
+
2.8
=
7.1
5
1.9
+
6.3
=
8.2
6
5.5
+
9.5
=
15
7
5.8
+
9.2
=
15
8
5.1
+
4.8
=
9.9
9
7.3
+
8.1
=
15.4
10
1.9
+
7.5
=
9.4
11
9.9
+
2.2
=
12.1
12
3.1
+
4.3
=
7.4
13
8.1
+
4.3
=
12.4
14
4.7
+
7.5
=
12.2
15
9.2
+
9.6
=
18.8