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소숫점: 1자리 덧셈60

1
6.8
+
3.6
=
10.4
2
3.8
+
8.3
=
12.1
3
3.5
+
7.5
=
11
4
3.2
+
5.2
=
8.4
5
8.9
+
3.5
=
12.4
6
4.3
+
5.2
=
9.5
7
9.4
+
6.9
=
16.3
8
4.3
+
9.5
=
13.8
9
8.7
+
6.2
=
14.9
10
7.1
+
2.4
=
9.5
11
6.8
+
1.4
=
8.2
12
5.1
+
2.6
=
7.7
13
6.2
+
2.1
=
8.3
14
3.5
+
5.4
=
8.9
15
7.6
+
5.8
=
13.4