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소숫점: 1자리 덧셈54

1
5.4
+
4.5
=
9.9
2
7.2
+
5.8
=
13
3
9.1
+
1.7
=
10.8
4
3.3
+
7.2
=
10.5
5
5.3
+
5.9
=
11.2
6
7.6
+
1.1
=
8.7
7
1.9
+
5.4
=
7.3
8
6.3
+
5.6
=
11.9
9
5.9
+
2.7
=
8.6
10
6.2
+
4.4
=
10.6
11
4.1
+
5.1
=
9.2
12
4.8
+
9.4
=
14.2
13
6.3
+
1.4
=
7.7
14
6.3
+
2.5
=
8.8
15
3.1
+
1.4
=
4.5