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소수점 1자리 덧셈

1
2.9
+
8.6
=
11.5
2
2.5
+
1.8
=
4.3
3
2.6
+
2.5
=
5.1
4
8.5
+
7.1
=
15.6
5
6.3
+
5.3
=
11.6
6
9.6
+
9.7
=
19.3
7
1.4
+
6.2
=
7.6
8
2.7
+
4.5
=
7.2
9
3.1
+
4.7
=
7.8
10
1.3
+
7.8
=
9.1
11
1.5
+
9.2
=
10.7
12
2.2
+
5.5
=
7.7
13
8.8
+
8.1
=
16.9
14
3.1
+
1.2
=
4.3
15
7.6
+
2.4
=
10