内容正文:
0的认识及加减法
一年级 上册
2
1
0
0
0
1
2
3
4
5
2
1
0
0
0
0
0
0
0
0
0
3 - 3 =
0
1 - 1 = 0
2 - 2 = 0
5 - 5 = 0
4 - 4 = 0
3 - 3 = 0
5 - 0 =
5
1 - 0 = 1
2 - 0 = 2
4 - 0 = 4
3 - 0 = 3
4 + 0 = 4
0 + 4 = 4
1+0=1 2+0=2 3+0=3 4+0=4 5+0=5
0+1=1 0+2=2 0+3=3 0+4=4 0+5=5
0+1= 0+2= 0+3= 0+4= 0+5=
3 – 1 = 2
3 – 2 = 1
3 – 3 = 0
1.
4 - =
4 - =
4 - =
4 - =
1
3
2
2
3
1
4
0
2.
1
1
3
1
5
0
0
2
1
0
5
0
0
2
1
2
3.看谁算的都对。
1 – 0 =
3 – 2 =
2 + 1 =
0 + 1 =
2 + 3 =
2 – 2 =
1 – 1 =
1 + 1 =
2 – 1 =
0 + 0 =
1 + 4 =
5 – 5 =
0 – 0 =
5 – 3 =
1 + 0 =
3 – 1 =
0 + 0 =
0
0 – 0 =
0
0 + 0 =
0
0 – 0 =
0
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