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소숫점: 1자리 덧셈64

1
6.4
+
2.4
=
8.8
2
5.4
+
6.5
=
11.9
3
2.5
+
1.4
=
3.9
4
1.9
+
2.1
=
4
5
4.4
+
7.7
=
12.1
6
3.8
+
3.2
=
7
7
3.4
+
5.4
=
8.8
8
7.2
+
1.2
=
8.4
9
4.4
+
2.1
=
6.5
10
9.4
+
8.8
=
18.2
11
2.8
+
9.5
=
12.3
12
7.8
+
2.3
=
10.1
13
2.8
+
9.5
=
12.3
14
1.8
+
2.1
=
3.9
15
6.1
+
9.4
=
15.5