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소숫점: 1자리 덧셈21

1
2.1
+
2.4
=
4.5
2
6.5
+
4.4
=
10.9
3
8.5
+
6.2
=
14.7
4
4.2
+
6.5
=
10.7
5
7.6
+
4.3
=
11.9
6
2.1
+
6.4
=
8.5
7
3.5
+
5.2
=
8.7
8
9.1
+
6.2
=
15.3
9
3.5
+
6.2
=
9.7
10
1.4
+
6.7
=
8.1
11
1.6
+
1.4
=
3
12
7.1
+
6.2
=
13.3
13
5.2
+
6.1
=
11.3
14
3.5
+
8.1
=
11.6
15
9.1
+
1.9
=
11