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소수점 1자리 덧셈

1
1.7
+
1.1
=
2.8
2
1.4
+
7.1
=
8.5
3
2.3
+
3.9
=
6.2
4
4.7
+
4.8
=
9.5
5
8.6
+
7.3
=
15.9
6
6.3
+
2.5
=
8.8
7
4.6
+
3.1
=
7.7
8
9.1
+
7.1
=
16.2
9
4.7
+
9.1
=
13.8
10
5.2
+
3.1
=
8.3
11
4.2
+
1.4
=
5.6
12
8.3
+
6.4
=
14.7
13
7.1
+
4.5
=
11.6
14
5.2
+
1.1
=
6.3
15
7.4
+
9.8
=
17.2