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소수점 1자리 덧셈

1
3.9
+
8.2
=
12.1
2
6.8
+
1.2
=
8
3
7.2
+
6.2
=
13.4
4
8.9
+
3.3
=
12.2
5
4.1
+
4.8
=
8.9
6
1.6
+
8.1
=
9.7
7
1.4
+
6.5
=
7.9
8
9.3
+
9.7
=
19
9
3.1
+
4.4
=
7.5
10
2.4
+
2.3
=
4.7
11
5.5
+
7.1
=
12.6
12
4.2
+
6.1
=
10.3
13
9.8
+
5.3
=
15.1
14
1.2
+
7.9
=
9.1
15
1.2
+
3.1
=
4.3