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소숫점: 1자리 덧셈13

1
1.3
+
6.2
=
7.5
2
3.4
+
3.9
=
7.3
3
2.6
+
1.4
=
4
4
5.3
+
5.2
=
10.5
5
5.7
+
1.4
=
7.1
6
8.6
+
1.3
=
9.9
7
5.8
+
6.3
=
12.1
8
7.5
+
1.1
=
8.6
9
1.5
+
8.4
=
9.9
10
1.9
+
8.5
=
10.4
11
6.1
+
2.3
=
8.4
12
3.1
+
1.8
=
4.9
13
3.6
+
2.8
=
6.4
14
3.2
+
9.5
=
12.7
15
2.1
+
8.9
=
11