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소수점 1자리 덧셈

1
4.9
+
7.1
=
12
2
2.3
+
2.1
=
4.4
3
9.4
+
5.5
=
14.9
4
2.5
+
1.3
=
3.8
5
5.4
+
2.3
=
7.7
6
4.4
+
8.2
=
12.6
7
1.9
+
2.9
=
4.8
8
8.2
+
7.2
=
15.4
9
7.5
+
1.5
=
9
10
3.1
+
9.1
=
12.2
11
2.9
+
3.2
=
6.1
12
7.5
+
1.6
=
9.1
13
2.1
+
6.7
=
8.8
14
5.6
+
3.3
=
8.9
15
8.5
+
4.9
=
13.4