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소수점 1자리 덧셈

1
3.9
+
2.3
=
6.2
2
3.9
+
5.9
=
9.8
3
2.4
+
1.9
=
4.3
4
4.1
+
6.7
=
10.8
5
1.8
+
4.3
=
6.1
6
3.6
+
9.4
=
13
7
3.2
+
8.4
=
11.6
8
4.6
+
2.5
=
7.1
9
6.1
+
8.6
=
14.7
10
1.6
+
4.2
=
5.8
11
1.1
+
4.3
=
5.4
12
8.4
+
1.8
=
10.2
13
6.2
+
4.2
=
10.4
14
8.3
+
4.7
=
13
15
3.7
+
5.4
=
9.1
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