- 数与代数
- 进位加法
- 退位减法
- + 整数的加法、减法
- 表内乘法
- 整数乘法
- 表内除法
- 有余数的除法
- 整数除法
- 乘法与除法的互逆关系
- 整数四则混合运算
- 整数的运算律与简便计算
- 空间与图形
- 统计和概率
- 探索规律
- 数学竞赛
填上合适的数。
11–________ = 7 11–________ =4 ________ +2=11
________ –9 = 2 ________ –8 = 2 7+________ =11
3+________ =11 11–________ =6 ________ –11 =0
11–
3+
在 上填上“＞”、“＜”或“＝”
5 + 7 ______13 16______3+10 15 – 5______10 5 + 9______12
4 +7 ______9 + 2 18 – 3______6 + 6 9 + 0______12 – 2 8 – 8______10 – 10
5 + 7 ______13 16______3+10 15 – 5______10 5 + 9______12
4 +7 ______9 + 2 18 – 3______6 + 6 9 + 0______12 – 2 8 – 8______10 – 10
5 + 6 = 9 – 8 = 9 + 4 = 7 + 9 – 7 =
8 + 9= 5 + 8 = 3 + 9 = 14 – 4 +2 =
12 – 2 = 1 + 9 = 8 – 0 = 2 + 7 + 6 =
7 + 6 = 6 +9 = 10 + 6 = 7 + 8 – 5 =
8 + 9= 5 + 8 = 3 + 9 = 14 – 4 +2 =
12 – 2 = 1 + 9 = 8 – 0 = 2 + 7 + 6 =
7 + 6 = 6 +9 = 10 + 6 = 7 + 8 – 5 =
