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소숫점: 1자리 덧셈21

1
2.1
+
3.6
=
5.7
2
1.3
+
9.3
=
10.6
3
6.3
+
7.3
=
13.6
4
3.6
+
6.1
=
9.7
5
1.4
+
4.1
=
5.5
6
7.3
+
3.7
=
11
7
5.4
+
6.5
=
11.9
8
3.6
+
7.5
=
11.1
9
7.1
+
5.4
=
12.5
10
3.1
+
7.2
=
10.3
11
9.8
+
7.8
=
17.6
12
5.4
+
4.2
=
9.6
13
2.9
+
4.5
=
7.4
14
2.1
+
4.7
=
6.8
15
5.2
+
8.4
=
13.6