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소숫점: 1자리 덧셈10

1
1.9
+
6.6
=
8.5
2
5.9
+
3.1
=
9
3
6.2
+
5.5
=
11.7
4
3.5
+
8.3
=
11.8
5
3.6
+
1.6
=
5.2
6
9.4
+
7.8
=
17.2
7
4.9
+
1.3
=
6.2
8
9.7
+
1.9
=
11.6
9
8.3
+
4.2
=
12.5
10
4.1
+
7.7
=
11.8
11
9.2
+
4.5
=
13.7
12
2.6
+
4.6
=
7.2
13
3.3
+
4.7
=
8
14
1.5
+
8.7
=
10.2
15
5.1
+
5.6
=
10.7