36x35+36x5-36x18-36x2等于36x20,36x35+36x5-36x18-36x2=36×(35+5-18-2)=36×(40-20)=36×20=720
36x35+36x5-36x18-36x2=36×(35+5-18-2)=36×(40-20)=36×20=720采纳谢谢
36x(35+5-18-2)=36x20
36×(35+5-18-2)=36×(40-20)=36×20=720