20个0.01是( );2个0.001是( );200个0.1是( );220个0.01是( );22个0.001是( );

问题描述:

20个0.01是( );2个0.001是( );200个0.1是( );220个0.01是( );22个0.001是( );
2200个0.01是( );2220个0.1是( );222个0.001是( );22200个0.001是( )

20个0.01是(0.2 );2个0.001是(0.002 );200个0.1是(20 );220个0.01是(2.2 );22个0.001是(0.022 );
2200个0.01是( 22 );2220个0.1是( 222 );222个0.001是(0.222 );22200个0.001是(22.2 )