以下为您提供部分 100 以内的一年级下学期速算计算题:
加法:
1. 25 + 30 =
2. 40 + 23 =
3. 12 + 56 =
4. 34 + 45 =
5. 18 + 70 =
6. 57 + 21 =
7. 6 + 88 =
8. 43 + 35 =
9. 75 + 20 =
10. 38 + 40 =
减法:
1. 78 - 50 =
2. 90 - 30 =
3. 65 - 23 =
4. 87 - 45 =
5. 56 - 18 =
6. 42 - 21 =
7. 99 - 80 =
8. 73 - 30 =
9. 50 - 22 =
10. 35 - 13 =