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소숫점: 1자리 덧셈30

1
3.5
+
5.1
=
8.6
2
3.2
+
7.2
=
10.4
3
2.5
+
6.6
=
9.1
4
4.4
+
8.2
=
12.6
5
2.4
+
3.1
=
5.5
6
4.7
+
6.3
=
11
7
7.2
+
7.6
=
14.8
8
3.7
+
5.4
=
9.1
9
2.7
+
7.8
=
10.5
10
4.5
+
3.5
=
8
11
7.3
+
3.5
=
10.8
12
7.6
+
3.2
=
10.8
13
2.9
+
5.4
=
8.3
14
4.2
+
8.6
=
12.8
15
3.6
+
3.4
=
7