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소수점 1자리 덧셈

1
2.9
+
1.1
=
4
2
4.5
+
8.8
=
13.3
3
1.6
+
6.1
=
7.7
4
3.5
+
8.5
=
12
5
7.6
+
1.4
=
9
6
5.4
+
9.3
=
14.7
7
4.9
+
8.2
=
13.1
8
5.3
+
5.1
=
10.4
9
4.3
+
6.5
=
10.8
10
4.8
+
2.9
=
7.7
11
7.1
+
1.8
=
8.9
12
1.5
+
5.7
=
7.2
13
3.9
+
5.3
=
9.2
14
9.1
+
1.6
=
10.7
15
5.7
+
7.1
=
12.8