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소수점 1자리 덧셈

1
5.7
+
3.2
=
8.9
2
2.8
+
8.3
=
11.1
3
4.2
+
3.5
=
7.7
4
9.2
+
8.7
=
17.9
5
4.8
+
5.9
=
10.7
6
2.3
+
9.1
=
11.4
7
1.3
+
8.7
=
10
8
6.3
+
3.3
=
9.6
9
1.7
+
5.4
=
7.1
10
2.1
+
2.2
=
4.3
11
5.2
+
2.1
=
7.3
12
6.7
+
2.6
=
9.3
13
9.3
+
4.4
=
13.7
14
1.8
+
2.5
=
4.3
15
9.1
+
8.2
=
17.3