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소수점 1자리 덧셈

1
2.5
+
2.2
=
4.7
2
1.7
+
7.3
=
9
3
5.2
+
1.8
=
7
4
2.3
+
6.6
=
8.9
5
5.3
+
8.4
=
13.7
6
2.6
+
2.4
=
5
7
3.3
+
1.1
=
4.4
8
7.7
+
3.6
=
11.3
9
8.5
+
3.3
=
11.8
10
2.1
+
7.6
=
9.7
11
3.1
+
1.1
=
4.2
12
4.2
+
3.1
=
7.3
13
3.6
+
5.9
=
9.5
14
7.3
+
7.1
=
14.4
15
2.5
+
3.4
=
5.9