(2根号7-5根号2)平方-(5根号2+2根号7)平方

2025-01-25 06:55:01
推荐回答(2个)
回答1:

(2根号7-5根号2)平方-(5根号2+2根号7)平方

=28-20根号14+50-50-20根号14-28
=-40根号14

回答2:

-149.6662955