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소수점 1자리 덧셈

1
3.3
+
1.4
=
4.7
2
3.1
+
5.3
=
8.4
3
1.5
+
1.9
=
3.4
4
3.2
+
4.6
=
7.8
5
2.4
+
8.2
=
10.6
6
4.3
+
3.1
=
7.4
7
4.4
+
2.4
=
6.8
8
1.8
+
3.5
=
5.3
9
6.8
+
6.2
=
13
10
5.3
+
3.5
=
8.8
11
5.9
+
1.9
=
7.8
12
2.3
+
8.9
=
11.2
13
1.4
+
3.3
=
4.7
14
5.1
+
2.7
=
7.8
15
2.8
+
9.5
=
12.3