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소숫점: 1자리 덧셈30

1
3.5
+
1.4
=
4.9
2
9.2
+
4.8
=
14
3
3.2
+
2.6
=
5.8
4
6.4
+
3.2
=
9.6
5
8.3
+
2.1
=
10.4
6
4.5
+
7.2
=
11.7
7
4.1
+
4.8
=
8.9
8
8.3
+
3.1
=
11.4
9
6.6
+
7.1
=
13.7
10
9.7
+
4.1
=
13.8
11
7.1
+
4.5
=
11.6
12
7.4
+
8.3
=
15.7
13
5.9
+
9.2
=
15.1
14
6.3
+
3.7
=
10
15
3.3
+
6.3
=
9.6