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소숫점: 1자리 덧셈60

1
6.3
+
2.6
=
8.9
2
5.3
+
2.1
=
7.4
3
5.3
+
5.9
=
11.2
4
2.3
+
4.7
=
7
5
5.2
+
5.6
=
10.8
6
5.2
+
9.3
=
14.5
7
7.7
+
4.3
=
12
8
7.9
+
1.7
=
9.6
9
5.8
+
1.1
=
6.9
10
5.3
+
9.2
=
14.5
11
5.4
+
5.2
=
10.6
12
5.7
+
3.1
=
8.8
13
7.5
+
7.2
=
14.7
14
7.4
+
5.9
=
13.3
15
1.2
+
2.9
=
4.1