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소수점 1자리 덧셈

1
3.3
+
3.9
=
7.2
2
5.2
+
7.7
=
12.9
3
4.3
+
1.6
=
5.9
4
2.8
+
4.5
=
7.3
5
8.1
+
5.4
=
13.5
6
9.4
+
6.3
=
15.7
7
8.8
+
4.8
=
13.6
8
3.2
+
3.2
=
6.4
9
7.9
+
2.1
=
10
10
6.2
+
5.6
=
11.8
11
3.6
+
2.2
=
5.8
12
1.6
+
1.6
=
3.2
13
4.6
+
3.5
=
8.1
14
1.9
+
2.3
=
4.2
15
2.2
+
1.6
=
3.8