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소수점 1자리 덧셈

1
1.7
+
1.5
=
3.2
2
7.4
+
4.9
=
12.3
3
1.5
+
7.2
=
8.7
4
7.8
+
3.8
=
11.6
5
5.6
+
3.7
=
9.3
6
2.9
+
2.2
=
5.1
7
6.8
+
5.4
=
12.2
8
4.5
+
2.3
=
6.8
9
3.4
+
1.3
=
4.7
10
4.4
+
5.3
=
9.7
11
1.2
+
9.5
=
10.7
12
8.5
+
2.8
=
11.3
13
1.9
+
8.1
=
10
14
4.4
+
6.5
=
10.9
15
6.2
+
3.8
=
10