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소숫점: 1자리 덧셈59

1
5.9
+
4.9
=
10.8
2
5.2
+
7.1
=
12.3
3
7.8
+
5.3
=
13.1
4
8.3
+
4.3
=
12.6
5
3.8
+
1.3
=
5.1
6
4.1
+
1.9
=
6
7
4.2
+
1.4
=
5.6
8
3.1
+
1.5
=
4.6
9
8.1
+
3.2
=
11.3
10
1.1
+
9.4
=
10.5
11
7.5
+
9.5
=
17
12
2.3
+
5.9
=
8.2
13
6.4
+
3.6
=
10
14
3.1
+
2.3
=
5.4
15
8.4
+
4.1
=
12.5