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소수점 1자리 덧셈

1
4.2
+
7.5
=
11.7
2
3.7
+
7.5
=
11.2
3
2.7
+
1.5
=
4.2
4
6.7
+
5.2
=
11.9
5
8.4
+
7.9
=
16.3
6
6.2
+
2.9
=
9.1
7
4.4
+
3.3
=
7.7
8
7.1
+
3.4
=
10.5
9
2.8
+
2.4
=
5.2
10
2.2
+
5.8
=
8
11
2.3
+
4.2
=
6.5
12
6.7
+
3.3
=
10
13
4.3
+
4.3
=
8.6
14
4.2
+
7.3
=
11.5
15
5.6
+
5.3
=
10.9