80×250×123×4的简便算怎么算?

80×250×123×4的简便算怎么算?
2025-06-27 19:04:58
推荐回答(5个)
回答1:

解题过程

回答2:

解:采用结合律,
原式=80×250×123×4
=250x4x(123x80)
=1000x9840
=9840000

回答3:


回答4:

80×250×123×4
=(250×4)×80×123
=1000×80×125-1000×80×2
=1000×10000-160000
=10000000-160000
=9840000

回答5:

=10*8*25*10*123*4
=(10*10)*(25*4)*(8*123)
=100*100*(8*(125-2))
=10000*(8*125-8*2)
=10000*(1000-16)
=9840000