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소숫점: 1자리 덧셈28

1
2.8
+
9.3
=
12.1
2
7.9
+
4.4
=
12.3
3
7.3
+
1.6
=
8.9
4
6.3
+
4.4
=
10.7
5
5.1
+
9.2
=
14.3
6
3.1
+
3.2
=
6.3
7
7.6
+
2.4
=
10
8
5.6
+
2.2
=
7.8
9
3.3
+
3.9
=
7.2
10
7.6
+
4.4
=
12
11
9.7
+
1.1
=
10.8
12
1.3
+
6.6
=
7.9
13
4.9
+
1.5
=
6.4
14
7.1
+
5.2
=
12.3
15
1.4
+
6.4
=
7.8