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소숫점: 1자리 덧셈21

1
2.1
+
7.4
=
9.5
2
1.9
+
1.4
=
3.3
3
4.4
+
7.2
=
11.6
4
1.2
+
1.6
=
2.8
5
2.7
+
5.6
=
8.3
6
3.6
+
2.2
=
5.8
7
9.3
+
4.9
=
14.2
8
9.5
+
2.1
=
11.6
9
6.3
+
5.5
=
11.8
10
4.4
+
1.8
=
6.2
11
5.2
+
2.5
=
7.7
12
7.5
+
3.7
=
11.2
13
6.1
+
5.7
=
11.8
14
3.6
+
4.2
=
7.8
15
8.3
+
9.6
=
17.9