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소숫점: 1자리 덧셈54

1
5.4
+
3.4
=
8.8
2
2.1
+
7.5
=
9.6
3
2.4
+
7.6
=
10
4
2.4
+
1.4
=
3.8
5
4.4
+
8.2
=
12.6
6
2.2
+
5.1
=
7.3
7
2.7
+
4.5
=
7.2
8
6.9
+
4.3
=
11.2
9
3.8
+
6.2
=
10
10
6.5
+
1.7
=
8.2
11
5.8
+
5.3
=
11.1
12
3.1
+
8.3
=
11.4
13
7.4
+
6.5
=
13.9
14
3.5
+
8.2
=
11.7
15
4.5
+
4.4
=
8.9