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소숫점: 1자리 덧셈38

1
3.8
+
8.5
=
12.3
2
4.9
+
1.8
=
6.7
3
8.9
+
2.1
=
11
4
3.4
+
2.8
=
6.2
5
1.7
+
5.7
=
7.4
6
7.5
+
2.1
=
9.6
7
6.3
+
7.2
=
13.5
8
7.6
+
6.4
=
14
9
3.1
+
2.2
=
5.3
10
5.5
+
7.7
=
13.2
11
9.2
+
2.9
=
12.1
12
6.3
+
9.5
=
15.8
13
1.9
+
7.2
=
9.1
14
3.5
+
6.4
=
9.9
15
5.1
+
2.4
=
7.5