,5,以内的分解与组成,背诵方法,5以内的分解与组成,5,0,5,5 0=5,5055 0=5,5,0,5,0+5=5,5050+5=5,5,0,4,1,5,5 1=4,504155 1=4,5,0,4,1,5,1+4=5,504151+4=5,5,0,4,1,3,2,5,5 2=3,50413255 2=3,5,0,4,1,3,2,5,2+3=5,50413252+3=5,5,0,4,1,3,2,2,3,5,5 3=2,5041322355 3=2,5,0,4,1,3,2,2,3,5,3+2=5,5041322353+2=5,5,0,4,1,3,2,2,3,1,4,5,5 4=1,504132231455 4=1,5,0,4,1,3,2,2,3,1,4,5,4+1=5,504132231454+1=5,5,0,4,1,3,2,2,3,1,4,0,5,5,5 5=0,50413223140555 5=0,5,0,4,1,3,2,2,3,1,4,0,5,5,5+0=5,50413223140555+0=5,4,0,3,1,2,2,1,3,0,4,4,40312213044,3,0,2,1,1,2,0,3,3,302112033,2,0,1,1,0,2,2,2011022,1,0,0,1,1,10011,