(567+345*666)/(567*345+222)简便运算哦.对了我会再加分_数学解答

(567+345*666)/(567*345+222)
简便运算哦.对了我会再加分

人气：460 ℃　时间：2020-03-28 13:11:03

解答

567×345+222
=567×345+(567-345)
=345×(567-1)+567
=345×566+567
所以,(567+345*666)/(567*345+222)=1