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소수점 1자리 덧셈

1
3.5
+
4.2
=
7.7
2
1.2
+
5.4
=
6.6
3
1.4
+
4.3
=
5.7
4
2.6
+
1.3
=
3.9
5
5.1
+
3.1
=
8.2
6
2.8
+
1.2
=
4
7
6.5
+
3.6
=
10.1
8
3.8
+
2.2
=
6
9
4.6
+
1.5
=
6.1
10
9.2
+
2.5
=
11.7
11
7.5
+
1.1
=
8.6
12
1.7
+
3.7
=
5.4
13
5.1
+
8.4
=
13.5
14
1.2
+
2.9
=
4.1
15
3.5
+
9.6
=
13.1