20以内退位减法口算题 姓名 成绩 计时 18-9= 11-3= ( )-9=3 18-( )=9 12-3= 15-8= ( )-5=9 14-( )=9 11-8= 13-5= 15-6= 17-9= 12-5= 12-7= 13-6= 14-8= 11-4= 11-5= 13-9= 16-8= 15-8= 14-9= 13-8= 15-7= 17-9= 11-2= 14-5= 13-5= 16-7= 18-9= )-8=3 )-4=7 )-9=2 )-7=7 )-9=8 )-9=5 )-3=8 )-7=5 )-5=6 )-8=5 )-7=9 13-( 15-( 16-( 17-( 11-( 12-( 14-( 13-( 15-( 11-( 14-( )=8 )=9 )=8 )=9 )=7 )=5 )=6 )=6 )=8 )=4 )=8 ( ( ( ( ( ( ( ( ( ( ( 本文来源:https://www.wddqw.com/doc/d25f1f87996648d7c1c708a1284ac850ac020423.html