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소숫점: 1자리 덧셈28

1
2.8
+
6.4
=
9.2
2
5.3
+
9.1
=
14.4
3
3.2
+
6.9
=
10.1
4
2.2
+
8.9
=
11.1
5
3.1
+
4.8
=
7.9
6
6.1
+
2.7
=
8.8
7
5.5
+
3.1
=
8.6
8
5.1
+
1.7
=
6.8
9
7.4
+
2.3
=
9.7
10
5.3
+
2.7
=
8
11
1.1
+
5.4
=
6.5
12
7.6
+
7.5
=
15.1
13
4.4
+
5.3
=
9.7
14
2.4
+
6.2
=
8.6
15
1.1
+
5.3
=
6.4