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소숫점: 1자리 덧셈60

1
6.3
+
1.8
=
8.1
2
4.6
+
2.1
=
6.7
3
6.1
+
6.1
=
12.2
4
2.2
+
6.2
=
8.4
5
3.5
+
3.2
=
6.7
6
5.5
+
1.9
=
7.4
7
3.4
+
9.2
=
12.6
8
7.1
+
3.5
=
10.6
9
5.3
+
8.6
=
13.9
10
3.2
+
4.9
=
8.1
11
6.5
+
9.6
=
16.1
12
3.2
+
5.1
=
8.3
13
3.8
+
9.4
=
13.2
14
4.1
+
5.2
=
9.3
15
2.8
+
2.1
=
4.9