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소숫점: 1자리 덧셈54

1
5.4
+
4.4
=
9.8
2
6.6
+
7.2
=
13.8
3
2.3
+
4.5
=
6.8
4
1.1
+
3.7
=
4.8
5
3.1
+
7.7
=
10.8
6
1.5
+
3.2
=
4.7
7
4.3
+
6.2
=
10.5
8
1.1
+
3.5
=
4.6
9
4.1
+
1.4
=
5.5
10
9.7
+
2.6
=
12.3
11
5.1
+
4.2
=
9.3
12
8.3
+
6.1
=
14.4
13
3.5
+
8.6
=
12.1
14
2.5
+
3.1
=
5.6
15
5.5
+
5.6
=
11.1