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소숫점: 1자리 덧셈54

1
5.4
+
4.3
=
9.7
2
7.4
+
1.1
=
8.5
3
2.5
+
4.5
=
7
4
8.5
+
5.7
=
14.2
5
6.3
+
9.5
=
15.8
6
9.6
+
5.8
=
15.4
7
1.5
+
6.2
=
7.7
8
6.3
+
8.5
=
14.8
9
7.2
+
3.2
=
10.4
10
5.5
+
4.6
=
10.1
11
3.2
+
3.1
=
6.3
12
9.6
+
3.3
=
12.9
13
5.1
+
5.2
=
10.3
14
3.3
+
2.5
=
5.8
15
2.1
+
7.9
=
10