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소숫점: 1자리 덧셈54

1
5.4
+
6.5
=
11.9
2
7.4
+
9.7
=
17.1
3
2.7
+
4.6
=
7.3
4
5.5
+
1.1
=
6.6
5
3.5
+
1.7
=
5.2
6
4.1
+
6.4
=
10.5
7
5.2
+
9.4
=
14.6
8
6.3
+
3.3
=
9.6
9
4.1
+
8.1
=
12.2
10
2.5
+
7.5
=
10
11
4.3
+
5.1
=
9.4
12
5.7
+
4.4
=
10.1
13
1.6
+
1.3
=
2.9
14
5.3
+
1.9
=
7.2
15
3.3
+
5.4
=
8.7