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소수점 1자리 덧셈

1
4.2
+
7.1
=
11.3
2
4.2
+
4.5
=
8.7
3
1.2
+
3.6
=
4.8
4
1.5
+
9.3
=
10.8
5
7.9
+
4.6
=
12.5
6
5.3
+
4.6
=
9.9
7
9.7
+
3.2
=
12.9
8
2.9
+
8.9
=
11.8
9
1.5
+
3.6
=
5.1
10
3.1
+
3.3
=
6.4
11
6.3
+
5.5
=
11.8
12
9.6
+
2.4
=
12
13
9.7
+
7.4
=
17.1
14
4.3
+
6.5
=
10.8
15
2.6
+
8.6
=
11.2