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소숫점: 1자리 덧셈60

1
6.6
+
2.5
=
9.1
2
3.5
+
5.2
=
8.7
3
1.9
+
1.1
=
3
4
4.1
+
3.2
=
7.3
5
6.3
+
8.9
=
15.2
6
2.9
+
6.2
=
9.1
7
2.4
+
7.8
=
10.2
8
4.7
+
7.6
=
12.3
9
4.4
+
3.3
=
7.7
10
1.1
+
7.5
=
8.6
11
2.2
+
5.1
=
7.3
12
7.5
+
7.4
=
14.9
13
6.4
+
3.9
=
10.3
14
5.8
+
5.6
=
11.4
15
1.8
+
5.8
=
7.6