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소숫점: 1자리 덧셈25

1
2.5
+
2.5
=
5
2
3.3
+
3.7
=
7
3
3.1
+
7.7
=
10.8
4
6.3
+
7.1
=
13.4
5
2.1
+
2.9
=
5
6
1.7
+
6.6
=
8.3
7
2.1
+
1.1
=
3.2
8
8.3
+
2.3
=
10.6
9
3.5
+
3.4
=
6.9
10
4.4
+
2.5
=
6.9
11
9.1
+
9.4
=
18.5
12
1.1
+
3.2
=
4.3
13
1.1
+
3.1
=
4.2
14
9.3
+
2.5
=
11.8
15
1.8
+
3.2
=
5