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소숫점: 1자리 덧셈54

1
5.4
+
5.2
=
10.6
2
3.4
+
2.3
=
5.7
3
1.4
+
5.6
=
7
4
2.1
+
2.4
=
4.5
5
8.5
+
1.9
=
10.4
6
4.1
+
5.2
=
9.3
7
2.8
+
6.1
=
8.9
8
2.3
+
8.1
=
10.4
9
5.4
+
4.9
=
10.3
10
6.1
+
9.9
=
16
11
2.4
+
2.4
=
4.8
12
2.2
+
4.5
=
6.7
13
1.1
+
2.5
=
3.6
14
1.5
+
1.2
=
2.7
15
7.5
+
3.9
=
11.4