小 鸡 吃 食,10的加减法,2,4,1,5,4,7,9,1,10,10 - =,=,+,10,8,2,2,8,8,2,=,+,10,10 - =,8,2,10 - =,=,+,10,8,2,2,8,8,2,=,+,10,10 - =,8,2,9,8,7,6,5,5,3,6,4,2,8,7,10,9,0,1,9,8,7,6,5,5,3,6,4,2,8,7,10,9,0,1,3,4,9,10-3=7,7,10- 4=6,10- 9=1,6,1,7,3,3,7,8,9,10,4,10-8=2,2,10- 10=0,4+5=9,0,5,8,6+3=9,9,4+3=7,0+8=8,7,9,1,9,8,2,7,3,7,6,4,6,5,5,5,4,6,4,3,7,3,2,8,2,1,9,1,0,10,7,5,10,6,4,10,10,10,2,4,6,8,10,1,3,5,7,9,1,8,2,7,3,6,4,5,