567×235-300分之267+567×234

问题描述:

567×235-300分之267+567×234

(267+567×234)/ (567×235-300)
=(267+300+567×234-300)/ (567×235-300)
=(567+567×234-300)/ (567×235-300)
=(567×235-300)/ (567×235-300)
=1