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计算:0.01992÷0.004×
1
2000
=______.
人气:116 ℃ 时间:2020-03-25 19:51:51
解答
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.
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