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소수점 1자리 덧셈

1
8.6
+
1.3
=
9.9
2
7.2
+
9.6
=
16.8
3
4.2
+
3.5
=
7.7
4
1.3
+
8.4
=
9.7
5
9.2
+
6.3
=
15.5
6
9.1
+
1.7
=
10.8
7
6.2
+
3.4
=
9.6
8
8.1
+
4.5
=
12.6
9
2.1
+
8.1
=
10.2
10
5.2
+
5.4
=
10.6
11
8.4
+
2.7
=
11.1
12
2.1
+
6.1
=
8.2
13
6.6
+
3.8
=
10.4
14
1.5
+
1.4
=
2.9
15
2.9
+
1.4
=
4.3