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소수점 1자리 덧셈

1
4.5
+
6.9
=
11.4
2
9.5
+
1.7
=
11.2
3
4.2
+
3.8
=
8
4
4.7
+
1.4
=
6.1
5
4.9
+
4.3
=
9.2
6
5.1
+
3.6
=
8.7
7
4.3
+
1.3
=
5.6
8
6.6
+
3.4
=
10
9
5.8
+
4.4
=
10.2
10
2.1
+
3.1
=
5.2
11
9.3
+
3.2
=
12.5
12
1.1
+
1.4
=
2.5
13
5.4
+
2.9
=
8.3
14
9.3
+
2.2
=
11.5
15
4.7
+
3.3
=
8