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소숫점: 1자리 덧셈

1
2.8
+
8.3
=
11.1
2
1.2
+
6.3
=
7.5
3
4.9
+
3.4
=
8.3
4
3.7
+
5.2
=
8.9
5
8.5
+
3.8
=
12.3
6
3.3
+
4.6
=
7.9
7
7.5
+
2.8
=
10.3
8
1.6
+
3.1
=
4.7
9
7.3
+
4.2
=
11.5
10
7.4
+
7.5
=
14.9
11
2.3
+
6.1
=
8.4
12
1.4
+
3.7
=
5.1
13
1.3
+
5.3
=
6.6
14
3.3
+
4.6
=
7.9
15
4.5
+
3.1
=
7.6