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소숫점: 1자리 덧셈28

1
2.8
+
6.4
=
9.2
2
3.7
+
9.3
=
13
3
5.3
+
3.9
=
9.2
4
3.6
+
9.1
=
12.7
5
3.6
+
5.4
=
9
6
3.5
+
2.4
=
5.9
7
5.1
+
2.1
=
7.2
8
1.8
+
2.1
=
3.9
9
3.1
+
3.2
=
6.3
10
1.1
+
5.9
=
7
11
3.6
+
4.5
=
8.1
12
5.5
+
4.3
=
9.8
13
6.3
+
6.3
=
12.6
14
6.1
+
2.2
=
8.3
15
3.3
+
4.3
=
7.6