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소수점 1자리 덧셈

1
1.6
+
2.3
=
3.9
2
1.8
+
1.4
=
3.2
3
9.1
+
8.8
=
17.9
4
5.1
+
5.4
=
10.5
5
9.2
+
2.1
=
11.3
6
9.8
+
7.3
=
17.1
7
1.3
+
2.4
=
3.7
8
8.3
+
7.2
=
15.5
9
5.7
+
6.7
=
12.4
10
3.9
+
5.4
=
9.3
11
8.1
+
3.8
=
11.9
12
5.6
+
3.9
=
9.5
13
4.8
+
3.2
=
8
14
7.9
+
2.8
=
10.7
15
4.6
+
2.3
=
6.9