358乘49加49怎么简便计算

358乘49加49怎么简便计算
2025-04-04 13:28:46
推荐回答(1个)
回答1:

358乘49加49怎么简便计算
解:原式=(358+1)x49
=356x(50-1)
=356x50-50
=17800-50
=17750