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소수점 1자리 덧셈

1
5.7
+
2.2
=
7.9
2
3.9
+
2.7
=
6.6
3
3.3
+
3.4
=
6.7
4
1.9
+
2.4
=
4.3
5
4.9
+
8.2
=
13.1
6
1.1
+
2.2
=
3.3
7
8.4
+
1.9
=
10.3
8
7.9
+
4.5
=
12.4
9
1.1
+
1.2
=
2.3
10
6.6
+
3.5
=
10.1
11
3.2
+
1.8
=
5
12
2.9
+
5.4
=
8.3
13
4.2
+
6.6
=
10.8
14
6.1
+
2.2
=
8.3
15
5.3
+
6.1
=
11.4