34*99(13+125)*844*25用简便方法怎么解?

如题所述

第1个回答  2020-07-25
34*99
=34*(100-1)
=34*100-34
=3366
(13+125)*8
=13*8+125*8
=104+1000
=1104
44*25
=4*25*11
=100*11
=1100