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소수점 1자리 덧셈

1
1.4
+
7.4
=
8.8
2
9.4
+
3.7
=
13.1
3
4.5
+
7.6
=
12.1
4
2.1
+
5.1
=
7.2
5
9.2
+
1.9
=
11.1
6
3.7
+
1.1
=
4.8
7
2.1
+
2.5
=
4.6
8
8.1
+
8.3
=
16.4
9
4.1
+
4.4
=
8.5
10
8.7
+
4.7
=
13.4
11
6.2
+
6.7
=
12.9
12
6.2
+
6.2
=
12.4
13
1.4
+
3.9
=
5.3
14
4.3
+
8.2
=
12.5
15
8.2
+
3.4
=
11.6