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소숫점: 1자리 덧셈25

1
2.5
+
3.2
=
5.7
2
4.2
+
6.1
=
10.3
3
4.2
+
5.7
=
9.9
4
5.4
+
9.7
=
15.1
5
5.1
+
9.9
=
15
6
3.9
+
3.2
=
7.1
7
2.9
+
1.2
=
4.1
8
4.5
+
1.8
=
6.3
9
2.6
+
4.5
=
7.1
10
2.5
+
1.2
=
3.7
11
2.3
+
9.6
=
11.9
12
6.6
+
3.1
=
9.7
13
3.4
+
3.1
=
6.5
14
8.2
+
7.5
=
15.7
15
9.6
+
3.8
=
13.4