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소수점 1자리 덧셈

1
2.1
+
4.6
=
6.7
2
3.3
+
1.3
=
4.6
3
1.7
+
5.4
=
7.1
4
8.1
+
9.3
=
17.4
5
5.7
+
6.1
=
11.8
6
9.2
+
5.2
=
14.4
7
2.9
+
4.5
=
7.4
8
4.5
+
2.9
=
7.4
9
9.4
+
2.8
=
12.2
10
2.4
+
6.6
=
9
11
1.4
+
1.5
=
2.9
12
3.3
+
7.2
=
10.5
13
4.6
+
4.2
=
8.8
14
9.6
+
4.5
=
14.1
15
3.4
+
3.3
=
6.7