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소숫점: 1자리 덧셈68

1
6.8
+
4.7
=
11.5
2
9.1
+
6.2
=
15.3
3
3.1
+
4.2
=
7.3
4
5.2
+
5.4
=
10.6
5
5.2
+
1.7
=
6.9
6
5.1
+
5.3
=
10.4
7
2.1
+
5.9
=
8
8
2.5
+
7.3
=
9.8
9
8.1
+
4.2
=
12.3
10
5.6
+
3.1
=
8.7
11
3.6
+
5.4
=
9
12
7.4
+
2.6
=
10
13
9.3
+
8.1
=
17.4
14
5.6
+
2.1
=
7.7
15
3.9
+
2.8
=
6.7