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소숫점: 1자리 덧셈63

1
6.3
+
5.5
=
11.8
2
7.2
+
1.9
=
9.1
3
5.2
+
8.4
=
13.6
4
4.2
+
4.1
=
8.3
5
7.4
+
3.4
=
10.8
6
9.5
+
2.8
=
12.3
7
5.8
+
7.4
=
13.2
8
1.1
+
4.4
=
5.5
9
8.6
+
6.2
=
14.8
10
2.5
+
2.8
=
5.3
11
4.4
+
8.6
=
13
12
6.1
+
7.2
=
13.3
13
1.9
+
3.3
=
5.2
14
4.6
+
9.4
=
14
15
2.7
+
1.9
=
4.6