简算:(1/4+1/125)*4*125
问题描述:
简算:(1/4+1/125)*4*125
答
(1/4+1/125)*4*125
=1/4*4*125+1/125*4*125
=125+4
=129
答
原式
=(4分之1×4)×125+(125分之1×125)×4
=125+4
=129