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1、以内提成与构成（2的提成与构成) 2 0 2-0= 1 1= 1 2 0+2= 2 1+1 -11 - =2 +0=2 + = ( 的提成与构成) 3 0 3-0 =3 3 2 3-= 3 = 1 1+2= 2 1 21= 3 0 3+0= 1 22 1 3 0 1 2 3 3 3 3 -0=3 -1=2 213 =2 3- =1 3- =0 1+ =3 2 = 3 3 =3 （4的提成与构成) 4 0 4-0= 1 4-1= 4 4- 3 4= 4 4-4 4 4 4 1 3 4 1 3 1+3= 2 2 2+= 1 +21 3 2 2 3 1 1 2 3 4 4 -4 1=3 -2 -3
2、1 4- = 4- =2 - = - = 0+ = 2+ =4 3 4 4+ (的提成与构成)5 5 5 151= 2 5-= 3 53= 5 5 5-4= 5 5-5= 5 5 5 5 5 1 2 3 4 5 1 4 +4 3 2+= 3 23+2= 4 1 +1 1 4 3 2 4 11 2 3 5 5 5 -0=5 -1=4 -2=3 2 - =4 5 3 5- =25- = 1+ =5 + = 5 3+ 5 4+ = （的提成与构成） 6 6-1= 2 6-2= 6-3= 6 6 6 4 = 5 -5= 6 -= 6 6 6 6 2 3 4 5 6 1 5 15= 2 4 2+4 3
3、3+3 4 24= 5 1 5 1 2 3 4 1 0 1 3 4 5 6 6 6 0=6 -1=5 -4 3= 3 -4= -5=1 6- 5 6- =4 6- 3 6- =1 1+ 6 + = 6 3+ =6 + = (7的提成与构成)7 7 7 7-1= 2 7-2= 3 73= 7 7 7-4= - 6 7-6= 7 7 7 7 7 7 7 1 2 3 4 7 1 6 1+ 2 2+5= 3 4 +4= 4 3 4+= 5 2 5+2 6 1 += 6 2 5 3 4 4 3 5 6 1 0 1 3 4 5 6 7 7 7 7 7 7 -= -1 -25 -= = -5= -6=1 -
4、0 7- =7 7 =6 7- 7- 7- =3 7- = 2 7- =1 7- = 1+ =7 2 = 7 3+ =7 + = 5+ = 6+ 自主练习：（有关7的加减法练习题-自己出题)8的提成与构成8 8 8 1 8-1= -2 = 8 8 8 4 8-4= 5 8-5= 8-= 8 8 8 8 8-8 0 8- 8 8 8 8 8 8 1 2 3 4 5 6 7 8 1 717= 2 62+6= 3 3+5= 4 4 4+= 353= 6 6+2= 1 7+1= 1 7 2 6 4 4 3 5 26 1 7 2 4 6 8 8 8 8 8 8 -0 -1=7 -2=6 -3= -4= -=3 -6= 2 -71 8 =8 = 7 8- =6 8- 5 8- =4 8- = 3 8- =2 8- =11+ + = 8 3+ =8 4 = 85+ =8 + =8 7+ =8 8+ 8 自主练习;(有关8的加减法练习题-自己出题）的提成与构成 9 1 9-1= 2 9-2= 3 9-3= 9 9 9 9-4= 5 95= 6 96= 9 9 9 7 9-7= 8 9-=
