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소수점 1자리 덧셈

1
1.8
+
1.7
=
3.5
2
2.1
+
6.8
=
8.9
3
4.3
+
5.4
=
9.7
4
8.1
+
4.5
=
12.6
5
5.6
+
1.5
=
7.1
6
1.1
+
5.2
=
6.3
7
6.5
+
5.2
=
11.7
8
1.9
+
3.5
=
5.4
9
4.6
+
6.3
=
10.9
10
4.1
+
2.5
=
6.6
11
2.1
+
4.4
=
6.5
12
9.6
+
5.9
=
15.5
13
6.2
+
4.4
=
10.6
14
4.5
+
2.6
=
7.1
15
2.3
+
2.4
=
4.7