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소수점 1자리 덧셈

1
3.6
+
9.1
=
12.7
2
8.1
+
3.4
=
11.5
3
1.9
+
8.3
=
10.2
4
1.7
+
5.8
=
7.5
5
5.4
+
7.3
=
12.7
6
5.7
+
3.1
=
8.8
7
9.9
+
3.9
=
13.8
8
2.3
+
1.1
=
3.4
9
6.8
+
1.2
=
8
10
2.3
+
2.2
=
4.5
11
3.9
+
2.6
=
6.5
12
2.1
+
1.5
=
3.6
13
3.3
+
4.7
=
8
14
2.7
+
4.5
=
7.2
15
4.3
+
3.7
=
8