(50+1/3)×(49+2/3)等于多少?

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 01:50:04
(50+1/3)×(49+2/3)等于多少?
x){nC}{:OM,|#0'.tD{"}P[,jL t T) >D3|a$A]njhԀXfH\!7457><ҹ&Hױ

(50+1/3)×(49+2/3)等于多少?
(50+1/3)×(49+2/3)等于多少?

(50+1/3)×(49+2/3)等于多少?
(50+1/3)×(49+2/3)
=(50+1/3)×(50-1/3)
=50²-(1/3)²
=2500-1/9
=2499又8/9

=(50+1/3)(50-1/3)
=50²-(1/3)²
=2500-1/9
=2499又8/9

等于150/3×149/3=7450