简便算法:362+548+361/362×548-186写过程
问题描述:
简便算法:362+548+361/362×548-186写过程
/是分数线
答
(362+548*361)/(362*548-186)
=(362+548*361)/(361*548+548-186)
=(362+548*361)/(362*548+362)
=1
出题要这样加括号