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소숫점: 1자리 덧셈31

1
3.1
+
4.5
=
7.6
2
6.3
+
6.1
=
12.4
3
2.8
+
1.2
=
4
4
7.1
+
5.4
=
12.5
5
6.5
+
1.3
=
7.8
6
7.6
+
7.3
=
14.9
7
8.5
+
8.3
=
16.8
8
2.1
+
6.2
=
8.3
9
3.4
+
5.2
=
8.6
10
2.4
+
9.4
=
11.8
11
8.8
+
4.7
=
13.5
12
1.5
+
7.2
=
8.7
13
3.2
+
9.6
=
12.8
14
1.4
+
2.1
=
3.5
15
9.9
+
4.9
=
14.8