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소수점 1자리 덧셈

1
3.1
+
2.3
=
5.4
2
1.3
+
2.2
=
3.5
3
3.4
+
4.7
=
8.1
4
2.3
+
7.7
=
10
5
2.7
+
2.2
=
4.9
6
3.4
+
4.5
=
7.9
7
3.3
+
9.4
=
12.7
8
1.7
+
1.6
=
3.3
9
4.2
+
6.9
=
11.1
10
1.1
+
1.5
=
2.6
11
6.3
+
5.4
=
11.7
12
5.1
+
9.3
=
14.4
13
8.6
+
4.3
=
12.9
14
8.9
+
4.2
=
13.1
15
6.7
+
3.3
=
10