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소숫점: 1자리 덧셈30

1
3.4
+
6.2
=
9.6
2
5.7
+
6.6
=
12.3
3
3.2
+
4.8
=
8
4
5.6
+
1.1
=
6.7
5
6.6
+
1.2
=
7.8
6
5.3
+
5.1
=
10.4
7
1.1
+
1.2
=
2.3
8
7.6
+
6.1
=
13.7
9
2.3
+
7.2
=
9.5
10
2.2
+
7.3
=
9.5
11
4.5
+
8.3
=
12.8
12
4.4
+
4.4
=
8.8
13
4.4
+
4.5
=
8.9
14
3.1
+
4.3
=
7.4
15
2.4
+
5.3
=
7.7