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소숫점: 1자리 덧셈60

1
6.4
+
2.5
=
8.9
2
5.5
+
4.3
=
9.8
3
2.5
+
3.6
=
6.1
4
2.2
+
5.3
=
7.5
5
6.9
+
3.5
=
10.4
6
8.6
+
2.4
=
11
7
5.3
+
4.4
=
9.7
8
9.1
+
1.6
=
10.7
9
2.7
+
7.2
=
9.9
10
2.5
+
8.6
=
11.1
11
2.2
+
6.7
=
8.9
12
8.2
+
6.1
=
14.3
13
5.3
+
3.3
=
8.6
14
4.6
+
3.3
=
7.9
15
5.3
+
4.1
=
9.4