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소수점 1자리 덧셈

1
5.3
+
7.7
=
13
2
2.9
+
1.6
=
4.5
3
5.1
+
7.5
=
12.6
4
9.8
+
8.3
=
18.1
5
6.3
+
4.5
=
10.8
6
6.5
+
8.9
=
15.4
7
5.6
+
3.1
=
8.7
8
3.8
+
1.5
=
5.3
9
1.3
+
1.9
=
3.2
10
1.5
+
8.1
=
9.6
11
5.2
+
6.7
=
11.9
12
1.8
+
4.3
=
6.1
13
5.3
+
1.9
=
7.2
14
2.9
+
1.3
=
4.2
15
1.1
+
6.3
=
7.4