5.25÷1.25÷0.8的简便运算怎么写

5.25÷1.25÷0.8的简便运算怎么写
2025-04-06 06:30:34
推荐回答(2个)
回答1:

=5.25÷(1.25×0.8)=5.25÷1=5.25

回答2:

5.25÷1.25÷0.8
=21/4÷5/4÷4/5
=21/4×4/5×5/4
=21/4
=5.25