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소숫점: 1자리 덧셈

1
3.2
+
1.3
=
4.5
2
6.6
+
1.1
=
7.7
3
3.2
+
1.4
=
4.6
4
4.5
+
4.5
=
9
5
9.2
+
6.1
=
15.3
6
5.3
+
2.4
=
7.7
7
2.1
+
5.1
=
7.2
8
9.7
+
4.2
=
13.9
9
9.2
+
6.4
=
15.6
10
8.5
+
1.4
=
9.9
11
4.5
+
6.9
=
11.4
12
4.6
+
3.9
=
8.5
13
5.1
+
5.1
=
10.2
14
9.7
+
5.8
=
15.5
15
3.3
+
7.2
=
10.5