3/10*( )=5*( )=( )除以1/19=0.25*( )=1
问题描述:
3/10*( )=5*( )=( )除以1/19=0.25*( )=1
答
3/10*( 10/3)=5*(1/5 )=(1/19 )除以1/19=0.25*(4 )=1
答
3/10*(10/3 )=5*(1/5 )=(1/19 )除以1/19=0.25*(4 )=1