362×548-186分之362+548×361 简算
问题描述:
362×548-186分之362+548×361 简算
答
(362+548*361)/(362*548-186)
=(362+548*(362-1))/(362*548-186)
=(362-548+548*362)/(362*548-186)
=(548*362-186)/(362*548-186)
=1