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소수점 1자리 덧셈

1
1.7
+
7.7
=
9.4
2
4.1
+
4.4
=
8.5
3
2.4
+
8.1
=
10.5
4
8.2
+
5.8
=
14
5
4.2
+
2.3
=
6.5
6
7.9
+
3.9
=
11.8
7
4.8
+
5.3
=
10.1
8
3.8
+
4.2
=
8
9
4.3
+
4.3
=
8.6
10
4.1
+
9.9
=
14
11
3.7
+
9.5
=
13.2
12
8.6
+
4.3
=
12.9
13
9.4
+
1.4
=
10.8
14
3.8
+
3.6
=
7.4
15
4.6
+
7.3
=
11.9