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소숫점: 1자리 덧셈42

1
4.2
+
2.4
=
6.6
2
9.7
+
1.1
=
10.8
3
8.6
+
2.1
=
10.7
4
1.6
+
4.4
=
6
5
3.7
+
7.1
=
10.8
6
1.1
+
7.1
=
8.2
7
1.3
+
6.9
=
8.2
8
7.1
+
5.5
=
12.6
9
4.6
+
5.1
=
9.7
10
2.3
+
2.7
=
5
11
2.5
+
4.9
=
7.4
12
3.5
+
2.4
=
5.9
13
8.8
+
1.3
=
10.1
14
2.4
+
6.2
=
8.6
15
4.6
+
6.4
=
11