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소숫점: 1자리 덧셈54

1
5.4
+
4.4
=
9.8
2
6.6
+
1.5
=
8.1
3
4.4
+
4.9
=
9.3
4
3.4
+
7.5
=
10.9
5
2.2
+
2.9
=
5.1
6
7.4
+
2.2
=
9.6
7
3.1
+
2.8
=
5.9
8
4.1
+
2.9
=
7
9
4.4
+
2.6
=
7
10
8.5
+
8.8
=
17.3
11
6.2
+
5.6
=
11.8
12
2.6
+
3.6
=
6.2
13
4.5
+
7.6
=
12.1
14
6.5
+
2.7
=
9.2
15
3.1
+
3.4
=
6.5