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소숫점: 1자리 덧셈60

1
6.8
+
2.4
=
9.2
2
6.9
+
1.1
=
8
3
5.2
+
8.6
=
13.8
4
5.6
+
3.5
=
9.1
5
4.1
+
7.7
=
11.8
6
4.7
+
4.6
=
9.3
7
7.5
+
1.3
=
8.8
8
4.2
+
4.8
=
9
9
8.6
+
6.1
=
14.7
10
9.8
+
4.9
=
14.7
11
8.3
+
1.7
=
10
12
2.3
+
3.2
=
5.5
13
3.8
+
9.3
=
13.1
14
2.5
+
2.6
=
5.1
15
1.1
+
9.2
=
10.3