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소수점 1자리 덧셈

1
1.7
+
2.5
=
4.2
2
1.2
+
4.1
=
5.3
3
4.3
+
5.5
=
9.8
4
4.2
+
1.1
=
5.3
5
8.3
+
2.4
=
10.7
6
5.3
+
2.2
=
7.5
7
5.8
+
1.9
=
7.7
8
6.2
+
1.4
=
7.6
9
1.1
+
2.8
=
3.9
10
4.2
+
4.3
=
8.5
11
9.8
+
4.4
=
14.2
12
7.3
+
6.1
=
13.4
13
4.7
+
1.2
=
5.9
14
1.7
+
3.5
=
5.2
15
3.5
+
1.6
=
5.1