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소숫점: 1자리 덧셈

1
3.2
+
3.4
=
6.6
2
5.4
+
2.3
=
7.7
3
1.9
+
2.7
=
4.6
4
4.5
+
9.3
=
13.8
5
6.3
+
2.4
=
8.7
6
8.2
+
3.6
=
11.8
7
2.8
+
1.1
=
3.9
8
4.2
+
4.2
=
8.4
9
7.5
+
7.3
=
14.8
10
6.6
+
3.9
=
10.5
11
1.5
+
6.3
=
7.8
12
5.6
+
6.5
=
12.1
13
3.3
+
1.6
=
4.9
14
4.4
+
8.9
=
13.3
15
1.7
+
7.2
=
8.9