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소숫점: 1자리 덧셈54

1
5.4
+
2.5
=
7.9
2
8.4
+
2.7
=
11.1
3
3.3
+
1.5
=
4.8
4
5.6
+
4.3
=
9.9
5
7.3
+
8.5
=
15.8
6
4.4
+
4.6
=
9
7
2.2
+
4.7
=
6.9
8
3.7
+
5.4
=
9.1
9
1.2
+
5.1
=
6.3
10
9.9
+
3.3
=
13.2
11
5.4
+
4.8
=
10.2
12
2.1
+
1.3
=
3.4
13
7.2
+
8.1
=
15.3
14
6.1
+
8.3
=
14.4
15
7.8
+
1.4
=
9.2