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소숫점: 1자리 덧셈19

1
1.9
+
3.4
=
5.3
2
8.2
+
5.4
=
13.6
3
4.6
+
6.3
=
10.9
4
7.9
+
3.1
=
11
5
3.4
+
6.6
=
10
6
1.7
+
4.2
=
5.9
7
9.4
+
1.5
=
10.9
8
1.1
+
2.6
=
3.7
9
5.5
+
3.1
=
8.6
10
6.9
+
4.9
=
11.8
11
4.4
+
2.9
=
7.3
12
5.7
+
7.2
=
12.9
13
9.1
+
5.3
=
14.4
14
2.9
+
6.3
=
9.2
15
6.9
+
4.3
=
11.2