480x49+510x48
=48x490+510x48
=48x(490+510)=48x1000=48000
简便计算过程方法如下
解:480x49+510×48
=48×490+510×48
=(490+510)×48
=1000×48
=48000
480x49十510X48
=480x49十51X480
=480×(49+51)
=480×100
=48000
希望采纳,谢谢
480x49十510X48
=48x490十510X48
=48×(490+510)
=480×1000
=48000