480x49+510x48用简便方法怎个算?

2025-02-06 05:41:19
推荐回答(2个)
回答1:

480x49+510x48
=480x49+51x480
=480x(49+51)
=480x100
=48000

回答2:

480x49+510x48
=48x10x49+510x48
=48x490+510x48
=48x(490+510)
=48x1000
=48000