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소수점 1자리 덧셈

1
2.9
+
9.4
=
12.3
2
6.7
+
3.4
=
10.1
3
8.1
+
5.2
=
13.3
4
3.2
+
4.1
=
7.3
5
1.3
+
2.1
=
3.4
6
9.2
+
9.3
=
18.5
7
4.9
+
6.5
=
11.4
8
1.3
+
6.8
=
8.1
9
6.2
+
1.6
=
7.8
10
9.2
+
9.4
=
18.6
11
1.4
+
1.8
=
3.2
12
4.5
+
8.5
=
13
13
3.1
+
1.8
=
4.9
14
6.4
+
7.5
=
13.9
15
5.7
+
2.7
=
8.4