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소숫점: 1자리 덧셈42

1
4.2
+
3.9
=
8.1
2
2.1
+
7.3
=
9.4
3
5.1
+
2.5
=
7.6
4
4.3
+
3.3
=
7.6
5
3.8
+
1.5
=
5.3
6
1.3
+
1.2
=
2.5
7
7.5
+
3.2
=
10.7
8
3.3
+
9.1
=
12.4
9
2.3
+
1.7
=
4
10
5.4
+
5.6
=
11
11
2.3
+
8.1
=
10.4
12
3.2
+
5.2
=
8.4
13
2.5
+
8.6
=
11.1
14
5.2
+
8.1
=
13.3
15
7.7
+
5.8
=
13.5