请朋友解答.thank you very much.

来源：学生作业帮编辑：拍题作业网作业帮分类：数学作业时间：2024/04/28 17:45:04

加号上的竖移走变减号,去把3补成9就行了,
再问： thank you very much。

请朋友解答.thank you very much. 求解答Thank you very much Thank you very much! Thank you very much, you,much,thank,very Thank you very much. Thank you very much thank you very much~ thank you very much thanks 英语翻译Thank you very much 急用,Thank You very much. help!thank you very much