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소수점 1자리 덧셈

1
4.6
+
8.4
=
13
2
1.9
+
4.5
=
6.4
3
4.2
+
6.7
=
10.9
4
2.1
+
7.4
=
9.5
5
1.1
+
2.3
=
3.4
6
3.5
+
9.2
=
12.7
7
5.8
+
1.5
=
7.3
8
5.9
+
3.3
=
9.2
9
3.6
+
4.4
=
8
10
5.3
+
4.5
=
9.8
11
5.3
+
2.4
=
7.7
12
2.2
+
9.6
=
11.8
13
2.6
+
7.5
=
10.1
14
7.6
+
9.8
=
17.4
15
1.1
+
8.3
=
9.4