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소수점 1자리 덧셈

1
2.8
+
2.1
=
4.9
2
8.6
+
1.2
=
9.8
3
1.3
+
2.2
=
3.5
4
9.7
+
5.9
=
15.6
5
9.4
+
1.9
=
11.3
6
3.2
+
8.1
=
11.3
7
3.5
+
6.1
=
9.6
8
2.5
+
1.1
=
3.6
9
1.9
+
7.5
=
9.4
10
3.9
+
6.5
=
10.4
11
3.8
+
5.4
=
9.2
12
6.9
+
7.6
=
14.5
13
4.6
+
9.2
=
13.8
14
1.6
+
2.3
=
3.9
15
1.6
+
7.8
=
9.4