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소숫점: 1자리 덧셈60

1
6.5
+
7.8
=
14.3
2
2.8
+
8.5
=
11.3
3
7.1
+
4.5
=
11.6
4
5.5
+
4.7
=
10.2
5
9.1
+
9.2
=
18.3
6
5.1
+
8.2
=
13.3
7
6.4
+
6.4
=
12.8
8
4.6
+
9.4
=
14
9
7.5
+
5.1
=
12.6
10
6.1
+
4.1
=
10.2
11
6.3
+
2.1
=
8.4
12
1.8
+
2.5
=
4.3
13
8.3
+
4.8
=
13.1
14
3.3
+
2.4
=
5.7
15
4.4
+
5.2
=
9.6