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소숫점: 1자리 덧셈28

1
2.8
+
6.4
=
9.2
2
7.1
+
6.9
=
14
3
3.8
+
3.4
=
7.2
4
4.4
+
9.2
=
13.6
5
6.2
+
6.2
=
12.4
6
4.4
+
7.4
=
11.8
7
4.9
+
2.5
=
7.4
8
2.3
+
2.8
=
5.1
9
1.2
+
7.4
=
8.6
10
1.3
+
7.1
=
8.4
11
1.1
+
6.7
=
7.8
12
2.1
+
3.5
=
5.6
13
1.9
+
2.7
=
4.6
14
1.5
+
5.7
=
7.2
15
4.2
+
5.2
=
9.4