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소수점 1자리 덧셈

1
1.9
+
2.7
=
4.6
2
3.8
+
1.4
=
5.2
3
4.5
+
3.8
=
8.3
4
6.3
+
8.4
=
14.7
5
5.3
+
1.5
=
6.8
6
1.4
+
1.4
=
2.8
7
3.9
+
1.5
=
5.4
8
2.1
+
5.5
=
7.6
9
3.1
+
5.7
=
8.8
10
9.4
+
9.2
=
18.6
11
4.9
+
1.3
=
6.2
12
9.1
+
1.1
=
10.2
13
1.7
+
8.8
=
10.5
14
3.1
+
4.2
=
7.3
15
4.1
+
3.5
=
7.6