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소숫점: 1자리 덧셈63

1
6.3
+
6.6
=
12.9
2
3.1
+
2.3
=
5.4
3
5.1
+
9.1
=
14.2
4
7.4
+
2.1
=
9.5
5
1.4
+
2.3
=
3.7
6
4.4
+
1.9
=
6.3
7
6.1
+
3.1
=
9.2
8
9.1
+
9.2
=
18.3
9
1.1
+
7.2
=
8.3
10
7.8
+
2.7
=
10.5
11
1.5
+
9.4
=
10.9
12
2.9
+
3.2
=
6.1
13
6.2
+
4.1
=
10.3
14
1.6
+
2.9
=
4.5
15
7.3
+
9.7
=
17