25*84*125=25*4*21*125=100*7*375=700*375=264500
25x84x125用简便方法计算
25×84×125
=25×4×21×125
=2100×125
=2000×125+12500
=250000+12500
=262500
25*84*125=25*4*21*125=100*7*375=700*375=264500
25x84x125用简便方法计算
25×84×125
=25×4×21×125
=2100×125
=2000×125+12500
=250000+12500
=262500