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소수점 1자리 덧셈

1
1.7
+
1.5
=
3.2
2
8.5
+
7.5
=
16
3
2.2
+
3.7
=
5.9
4
5.4
+
7.2
=
12.6
5
5.5
+
1.6
=
7.1
6
6.6
+
2.9
=
9.5
7
4.4
+
1.5
=
5.9
8
7.8
+
6.1
=
13.9
9
6.4
+
6.3
=
12.7
10
5.5
+
7.4
=
12.9
11
8.3
+
6.7
=
15
12
6.1
+
4.2
=
10.3
13
1.5
+
6.6
=
8.1
14
9.9
+
2.7
=
12.6
15
5.1
+
8.3
=
13.4