The number of the cameras they produced this year has increased by 30%, compared with /to that of l——青夏教育精英家教网—

摘要： The number of the cameras they produced this year has increased by 30%, compared with /to that of last year.

网址：http://m.1010jiajiao.com/timu3_id_2972121[举报]

The number of the cameras they produced this year has increased ________ 30% compared with ________ of last year.