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소수점 1자리 덧셈

1
4.6
+
3.1
=
7.7
2
6.4
+
2.3
=
8.7
3
5.9
+
6.5
=
12.4
4
6.8
+
2.2
=
9
5
1.2
+
7.1
=
8.3
6
2.7
+
3.6
=
6.3
7
2.3
+
4.8
=
7.1
8
1.2
+
6.5
=
7.7
9
6.2
+
3.2
=
9.4
10
4.3
+
9.5
=
13.8
11
5.9
+
2.1
=
8
12
2.1
+
3.5
=
5.6
13
1.2
+
2.5
=
3.7
14
3.9
+
2.1
=
6
15
5.1
+
2.4
=
7.5
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