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소숫점: 1자리 덧셈38

1
3.8
+
3.7
=
7.5
2
4.2
+
3.1
=
7.3
3
2.8
+
3.5
=
6.3
4
4.7
+
8.9
=
13.6
5
5.4
+
2.5
=
7.9
6
7.3
+
3.6
=
10.9
7
5.8
+
2.1
=
7.9
8
2.2
+
9.3
=
11.5
9
8.6
+
1.8
=
10.4
10
2.1
+
1.3
=
3.4
11
4.9
+
1.3
=
6.2
12
1.1
+
8.3
=
9.4
13
6.3
+
1.8
=
8.1
14
2.2
+
2.9
=
5.1
15
1.4
+
6.2
=
7.6