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소수점 1자리 덧셈

1
7.8
+
1.8
=
9.6
2
6.1
+
2.9
=
9
3
4.4
+
6.6
=
11
4
7.3
+
2.9
=
10.2
5
5.3
+
7.4
=
12.7
6
3.6
+
2.1
=
5.7
7
4.5
+
3.3
=
7.8
8
5.4
+
1.5
=
6.9
9
9.9
+
3.1
=
13
10
8.6
+
2.1
=
10.7
11
4.4
+
5.7
=
10.1
12
5.4
+
1.4
=
6.8
13
5.4
+
4.4
=
9.8
14
2.3
+
4.2
=
6.5
15
3.3
+
1.7
=
5