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소수점 1자리 덧셈

1
7.2
+
1.3
=
8.5
2
1.1
+
9.4
=
10.5
3
3.9
+
4.5
=
8.4
4
9.4
+
9.8
=
19.2
5
3.1
+
6.9
=
10
6
5.2
+
7.4
=
12.6
7
2.1
+
6.3
=
8.4
8
1.3
+
6.3
=
7.6
9
2.8
+
6.3
=
9.1
10
1.3
+
6.9
=
8.2
11
1.6
+
6.3
=
7.9
12
5.3
+
6.2
=
11.5
13
9.4
+
1.7
=
11.1
14
4.5
+
8.6
=
13.1
15
3.2
+
3.7
=
6.9