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소숫점: 1자리 덧셈25

1
2.5
+
3.1
=
5.6
2
6.6
+
2.4
=
9
3
3.2
+
4.3
=
7.5
4
5.4
+
3.3
=
8.7
5
8.2
+
4.7
=
12.9
6
8.5
+
4.3
=
12.8
7
8.4
+
5.3
=
13.7
8
9.5
+
4.4
=
13.9
9
4.2
+
7.2
=
11.4
10
7.3
+
4.2
=
11.5
11
5.9
+
5.2
=
11.1
12
1.3
+
2.4
=
3.7
13
5.1
+
7.2
=
12.3
14
4.8
+
4.2
=
9
15
9.1
+
1.5
=
10.6