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소수점 1자리 덧셈

1
3.1
+
1.3
=
4.4
2
2.3
+
1.4
=
3.7
3
4.3
+
8.6
=
12.9
4
2.8
+
3.7
=
6.5
5
1.4
+
6.3
=
7.7
6
1.4
+
3.3
=
4.7
7
5.4
+
1.3
=
6.7
8
6.5
+
1.7
=
8.2
9
6.4
+
7.9
=
14.3
10
1.5
+
4.4
=
5.9
11
6.2
+
3.9
=
10.1
12
3.4
+
4.7
=
8.1
13
6.4
+
5.4
=
11.8
14
4.6
+
7.1
=
11.7
15
4.4
+
6.1
=
10.5