59000除以125怎么巧算(递等式)
问题描述:
59000除以125怎么巧算(递等式)
答
(1)59000/125(/是除号)
=59x1000/125
=59x(1000/125)
=59x8
=472
(2)59000/125
=(59000x8)/(125x8)
=472000/1000
=472