0.625*0.5+八分之五+二分之一*62.5%=?

问题描述:

0.625*0.5+八分之五+二分之一*62.5%=?

0.625*0.5+八分之五+二分之一*62.5%
=5/8*1/2+5/8+1/2*5/8
=5/8+5/8
=5/4
=1.25

0.625*0.5+八分之五+二分之一*62.5%
=0.625×(0.5+1+1/2)
=0.625×2
=1.25