数学题想一想9-2=8-( )=7-( )=6-( )=5-(
问题描述:
数学题想一想9-2=8-( )=7-( )=6-( )=5-(
答
9-2=8-(1 )=7-( 0)=6-(-1 )=5-( -2)
答
9-2=8-( 1)=7-(0 )=6-( -1)=5-( -2)