一年级上册口算题大全:10的连减! 5-1-4= 7-2-5= 9-4-4= 8-7-1= 6-0-5= 6-3-2= 9-7-1= 10-8-1= 10-8-2= 7-1-6= 9-4-5= 8-3-4= 7-2-4= 6-3-2= 6-5-0= 10-5-5= 8-7-1= 9-3-6= 6-4-1= 7-1-6=