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소수점 1자리 덧셈

1
2.3
+
6.4
=
8.7
2
7.7
+
1.5
=
9.2
3
8.1
+
9.1
=
17.2
4
1.7
+
1.4
=
3.1
5
5.1
+
7.5
=
12.6
6
5.5
+
1.5
=
7
7
5.3
+
9.9
=
15.2
8
1.5
+
1.7
=
3.2
9
7.5
+
5.4
=
12.9
10
8.2
+
4.5
=
12.7
11
2.4
+
2.1
=
4.5
12
4.7
+
6.2
=
10.9
13
3.4
+
9.2
=
12.6
14
9.9
+
3.9
=
13.8
15
3.2
+
3.4
=
6.6
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