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소수점 1자리 덧셈

1
6.7
+
5.9
=
12.6
2
7.2
+
6.2
=
13.4
3
8.4
+
8.4
=
16.8
4
5.5
+
1.5
=
7
5
6.5
+
4.5
=
11
6
1.5
+
2.1
=
3.6
7
4.1
+
8.5
=
12.6
8
1.6
+
5.1
=
6.7
9
8.5
+
1.9
=
10.4
10
3.6
+
3.4
=
7
11
4.5
+
9.6
=
14.1
12
2.8
+
6.3
=
9.1
13
5.5
+
4.1
=
9.6
14
6.4
+
3.5
=
9.9
15
4.2
+
4.6
=
8.8