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소수점 1자리 덧셈

1
1.8
+
7.1
=
8.9
2
3.5
+
2.5
=
6
3
7.4
+
3.9
=
11.3
4
1.2
+
7.3
=
8.5
5
9.6
+
4.9
=
14.5
6
7.5
+
5.4
=
12.9
7
5.3
+
1.1
=
6.4
8
3.3
+
5.4
=
8.7
9
4.8
+
8.4
=
13.2
10
4.8
+
3.4
=
8.2
11
7.2
+
2.3
=
9.5
12
2.3
+
9.2
=
11.5
13
9.3
+
1.7
=
11
14
2.5
+
1.4
=
3.9
15
1.4
+
1.7
=
3.1