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소숫점: 1자리 덧셈

1
5.5
+
4.9
=
10.4
2
3.7
+
1.4
=
5.1
3
3.1
+
2.2
=
5.3
4
4.1
+
6.1
=
10.2
5
3.4
+
5.5
=
8.9
6
2.8
+
9.4
=
12.2
7
3.1
+
3.3
=
6.4
8
2.8
+
1.3
=
4.1
9
5.1
+
7.3
=
12.4
10
4.7
+
2.5
=
7.2
11
9.5
+
4.4
=
13.9
12
5.7
+
3.3
=
9
13
1.4
+
6.3
=
7.7
14
2.3
+
4.1
=
6.4
15
4.5
+
6.2
=
10.7