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소숫점: 1자리 덧셈54

1
5.4
+
2.3
=
7.7
2
6.7
+
1.9
=
8.6
3
4.3
+
7.3
=
11.6
4
8.6
+
3.9
=
12.5
5
3.5
+
6.1
=
9.6
6
4.7
+
1.2
=
5.9
7
2.3
+
4.6
=
6.9
8
1.1
+
3.1
=
4.2
9
8.2
+
9.5
=
17.7
10
8.4
+
2.9
=
11.3
11
5.1
+
3.3
=
8.4
12
2.1
+
4.6
=
6.7
13
7.3
+
4.8
=
12.1
14
6.1
+
2.2
=
8.3
15
9.4
+
2.6
=
12