计算:0.01992÷0.004×1/2000=_.

问题描述:

计算:0.01992÷0.004×

1
2000
=______.

0.01992÷0.004×

1
2000

=19.92÷4÷2000
=19.92÷8÷1000
=2.49÷1000
=0.00249;
故答案为:0.00249.