用简变运算回答:267+99 438-102
问题描述:
用简变运算回答:267+99 438-102
答
267+99=266+100=366438-102=440-100=340望采纳谢谢你了!!!!
用简变运算回答:267+99 438-102
267+99=266+100=366438-102=440-100=340望采纳谢谢你了!!!!