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소수점 1자리 덧셈

1
2.8
+
7.6
=
10.4
2
2.1
+
1.3
=
3.4
3
9.4
+
9.8
=
19.2
4
1.4
+
2.2
=
3.6
5
6.4
+
8.4
=
14.8
6
4.8
+
2.4
=
7.2
7
6.9
+
4.5
=
11.4
8
1.5
+
9.1
=
10.6
9
2.8
+
2.8
=
5.6
10
2.1
+
6.2
=
8.3
11
1.2
+
2.3
=
3.5
12
8.5
+
3.5
=
12
13
3.9
+
7.4
=
11.3
14
9.3
+
3.1
=
12.4
15
1.2
+
4.4
=
5.6