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소숫점: 1자리 덧셈28

1
2.8
+
4.1
=
6.9
2
3.2
+
7.9
=
11.1
3
3.2
+
7.5
=
10.7
4
1.8
+
2.7
=
4.5
5
5.4
+
5.4
=
10.8
6
9.9
+
8.3
=
18.2
7
5.9
+
1.8
=
7.7
8
3.3
+
5.5
=
8.8
9
6.4
+
1.7
=
8.1
10
4.4
+
6.8
=
11.2
11
2.7
+
8.1
=
10.8
12
5.1
+
1.6
=
6.7
13
3.8
+
3.9
=
7.7
14
4.2
+
4.1
=
8.3
15
3.6
+
3.3
=
6.9