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소숫점: 1자리 덧셈63

1
6.3
+
5.9
=
12.2
2
7.1
+
3.3
=
10.4
3
4.7
+
8.9
=
13.6
4
4.1
+
8.4
=
12.5
5
1.8
+
3.1
=
4.9
6
6.2
+
2.5
=
8.7
7
4.2
+
7.1
=
11.3
8
8.5
+
1.4
=
9.9
9
7.3
+
9.7
=
17
10
4.6
+
7.3
=
11.9
11
9.6
+
6.2
=
15.8
12
3.8
+
2.2
=
6
13
5.8
+
4.1
=
9.9
14
2.8
+
5.6
=
8.4
15
1.5
+
6.3
=
7.8