15÷(5+1/5 )=15÷5+15÷1/5=3+75=78._.(判断对错)

问题描述:

15÷(5+

1
5
 )=15÷5+15÷
1
5
=3+75=78.______.(判断对错)

15÷(5+

1
5
 ),
=15÷5
1
5

=
75
26

75
26
≠78;
故答案为:×.