10以内数的分解与组合练习题
10以分成与组成
(2的分成与组成)
2-0= 1 2-1=
0+2= 1+1 =
-1=1 =2 +0=2 =2
(3的分成与组成)
3-0= 3-1=
3-2= 3-3=
1+2= 2+1= 0 3+0=
2 1
3 0
-0=3 -1= 2 -2=1
=2 =1 =0
=3 = 3 =3
(4的分成与组成)
4-0= 4-1=
4-2= 3 4-3= 4 4-4=
1+3= 2+3= 1 3+2= 1 3 2 2 3 1
4 4 4 4
-1=3 -2=2 -3= 1
=3 =2 =1 = 0
=4 = 4 =4 = 4
(5的分成与组成)
5-1= 5-2= 3 5-3=
5-4= 5-5=
1+4= 2+3= 2 3+2=
4+1=
2 3 3 2 1
相关主题