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소수점 1자리 덧셈

1
6.9
+
4.7
=
11.6
2
1.3
+
8.1
=
9.4
3
3.5
+
2.3
=
5.8
4
5.5
+
3.1
=
8.6
5
2.2
+
7.4
=
9.6
6
1.2
+
7.2
=
8.4
7
2.4
+
5.2
=
7.6
8
8.7
+
9.2
=
17.9
9
4.7
+
3.3
=
8
10
5.5
+
1.9
=
7.4
11
1.4
+
1.3
=
2.7
12
1.8
+
1.5
=
3.3
13
3.3
+
9.1
=
12.4
14
8.1
+
1.3
=
9.4
15
6.6
+
3.6
=
10.2