10以内减法口算ppt课件

10以内减法口算,1,2-1=,1,2,3-2=,1,3,3-1=,2,4,4-1=,3,5,4-3=,1,6,4-2=,2,7,5-1=,4,8,5-4=,1,9,5-3=,2,10,5-2=,3,11,6-5=,1,12,6-1=,5,13,6-4=,2,14,6-2=,4,15,6-3=,3,16,7-6=,1,17,7-1=,6,18,7-2=,5,19,7-5=,2,20,7-4=,3,21,7-3=,4,22,8-7=,1,23,8-1=,7,24,8-6=,2,25,8-2=,6,26,8-5=,3,27,8-3=,5,28,8-4=,4,29,9-8=,1,30,9-1=,8,31,9-7=,2,32,9-2=,7,33,9-6=,3,34,9-3=,6,35,9-5=,4,36,9-4=,5,37,10-9=,1,38,10-8=,2,39,10-7=,3,40,10-6=,4,41,10-5=,5,42,10-4=,6,43,10-3=,7,44,10-2=,8,45,10-1=,9,46,10-10=,0,47,9-9=,0,48,8-8=,0,49,7-7=,0,50,6-6=,0,51,5-5=,0,52,4-4=,0,53,3-3=,0,54,2-2=,0,55,1-1=,0,56,0-0=,0,57,9-0=,9,58,8-0=,8,59,7-0=,7,60,6-0=,6,61,5-0=,5,62,4-0=,4,63,3-0=,3,64,2-0=,2,65,1-0=,1,66,