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소숫점: 1자리 덧셈25

1
2.5
+
7.5
=
10
2
5.5
+
1.2
=
6.7
3
1.9
+
4.1
=
6
4
2.7
+
4.7
=
7.4
5
7.2
+
6.5
=
13.7
6
3.8
+
6.5
=
10.3
7
6.8
+
4.3
=
11.1
8
1.4
+
6.1
=
7.5
9
1.2
+
5.9
=
7.1
10
2.5
+
4.2
=
6.7
11
5.3
+
3.9
=
9.2
12
5.3
+
5.7
=
11
13
2.4
+
5.4
=
7.8
14
2.8
+
1.2
=
4
15
2.2
+
5.4
=
7.6