0.25x( )=0.8x( )=1x( )=1.5x( )=( )x( )=1 0.5的倒数是( ) 0.6与( )互为倒数
问题描述:
0.25x( )=0.8x( )=1x( )=1.5x( )=( )x( )=1 0.5的倒数是( ) 0.6与( )互为倒数
答
0.25x(4)=0.8x(0.125 )=1x(1 )=1.5x(2/3 )=(2 )x(0.5 )=1
0.5的倒数是(2 ) 0.6与(5/3 )互为倒数