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소수점 1자리 덧셈

1
3.9
+
4.7
=
8.6
2
2.7
+
8.3
=
11
3
1.9
+
3.3
=
5.2
4
3.8
+
6.5
=
10.3
5
3.2
+
1.7
=
4.9
6
1.8
+
8.1
=
9.9
7
1.8
+
3.3
=
5.1
8
7.2
+
1.4
=
8.6
9
1.3
+
4.9
=
6.2
10
8.5
+
7.6
=
16.1
11
1.7
+
4.1
=
5.8
12
9.8
+
2.5
=
12.3
13
3.5
+
9.1
=
12.6
14
4.9
+
2.6
=
7.5
15
9.1
+
3.4
=
12.5