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소수점 1자리 덧셈

1
2.5
+
1.4
=
3.9
2
4.2
+
3.5
=
7.7
3
6.3
+
8.4
=
14.7
4
3.8
+
6.4
=
10.2
5
7.9
+
1.2
=
9.1
6
7.5
+
8.3
=
15.8
7
3.4
+
1.1
=
4.5
8
5.5
+
2.5
=
8
9
6.3
+
4.5
=
10.8
10
1.6
+
4.5
=
6.1
11
7.2
+
4.6
=
11.8
12
2.8
+
4.4
=
7.2
13
2.4
+
5.4
=
7.8
14
3.2
+
2.7
=
5.9
15
4.6
+
9.2
=
13.8