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소수점 1자리 덧셈

1
4.6
+
7.4
=
12
2
2.6
+
8.3
=
10.9
3
9.4
+
2.3
=
11.7
4
5.4
+
9.9
=
15.3
5
4.2
+
2.3
=
6.5
6
3.3
+
2.4
=
5.7
7
7.2
+
1.7
=
8.9
8
2.2
+
4.1
=
6.3
9
3.3
+
2.5
=
5.8
10
7.5
+
9.8
=
17.3
11
4.7
+
3.7
=
8.4
12
3.3
+
7.4
=
10.7
13
2.5
+
1.1
=
3.6
14
3.2
+
8.2
=
11.4
15
8.8
+
5.2
=
14