(29+2/3)*(30+1/3)分解因式

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 15:35:52

(29+2/3)*(30+1/3)分解因式
(29+2/3)*(30+1/3)分解因式

(29+2/3)*(30+1/3)分解因式
=(30-1+2/3)*(30+1/3)
=(30-1/3)*(30+1/3)
=30*30-1/3*1/3
=900-1/9
=8099/9

(29+2/3)*(30+1/3)
=(30-1/3)*(30+1/3)
=30²-(1/3)²