简算:(1/4+1/125)*4*125

问题描述:

简算:(1/4+1/125)*4*125

(1/4+1/125)*4*125
=1/4*4*125+1/125*4*125
=125+4
=129

原式
=(4分之1×4)×125+(125分之1×125)×4
=125+4
=129