14700-14700÷28+825递等式计算,能简便的要简便

2024-12-27 16:09:05
推荐回答(2个)
回答1:


回答2:

14700-14700÷28+825
=14700-14700÷7÷4+825
=15525-21×100÷4
=15525-21×25
=15525-25-20×25
=15500-500
=15000