1至10的分解和方法
3333(1)(2)(2)(1)(3)(0)(0)(3)1+2=32+1=33+0=30+3=33-1=23-2=13-3=03-3=02+2=41+3=43+1=44-1=34-3=14-2=24-
33 33 3 () 1 () 1 () 2 () 2 () 30 ()() 0 () 1+2=3 2+1=3 3+0=3 0+3=3 3-1=2 3-2=1 3-3=0 3-3=0 2+2=4 1+3=4 3+1=4 4-1=34-3=1 4-2=24-0=44-0=4 5-0=55-5=0

