一、口算。
$45÷9=$
$72÷8=$
$21÷3=$
$42÷5=$
$20÷4=$
$43÷6=$
$36÷6=$
$9×6=$
$29÷3=$
$63÷9=$
$8×5=$
$25÷5=$
$4×4=$
$56÷7=$
$37÷4=$
$3×9=$
$20÷3=$
$48÷8=$
$28÷5=$
$46÷5=$
$40÷5=$
$19÷7=$
$42÷6=$
$39÷5=$
$4×7=$
$35÷9=$
$24÷3=$
$44÷6=$
$5×6=$
$59÷8=$
$45÷9=$
$72÷8=$
$21÷3=$
$42÷5=$
$20÷4=$
$43÷6=$
$36÷6=$
$9×6=$
$29÷3=$
$63÷9=$
$8×5=$
$25÷5=$
$4×4=$
$56÷7=$
$37÷4=$
$3×9=$
$20÷3=$
$48÷8=$
$28÷5=$
$46÷5=$
$40÷5=$
$19÷7=$
$42÷6=$
$39÷5=$
$4×7=$
$35÷9=$
$24÷3=$
$44÷6=$
$5×6=$
$59÷8=$
答案
1. $45÷9=5$
2. $72÷8=9$
3. $21÷3=7$
4. $42÷5=8······2$
5. $20÷4=5$
6. $43÷6=7······1$
7. $36÷6=6$
8. $9×6=54$
9. $29÷3=9······2$
10. $63÷9=7$
11. $8×5=40$
12. $25÷5=5$
13. $4×4=16$
14. $56÷7=8$
15. $37÷4=9······1$
16. $3×9=27$
17. $20÷3=6······2$
18. $48÷8=6$
19. $28÷5=5······3$
20. $46÷5=9······1$
21. $40÷5=8$
22. $19÷7=2······5$
23. $42÷6=7$
24. $39÷5=7······4$
25. $4×7=28$
26. $35÷9=3······8$
27. $24÷3=8$
28. $44÷6=7······2$
29. $5×6=30$
30. $59÷8=7······3$
2. $72÷8=9$
3. $21÷3=7$
4. $42÷5=8······2$
5. $20÷4=5$
6. $43÷6=7······1$
7. $36÷6=6$
8. $9×6=54$
9. $29÷3=9······2$
10. $63÷9=7$
11. $8×5=40$
12. $25÷5=5$
13. $4×4=16$
14. $56÷7=8$
15. $37÷4=9······1$
16. $3×9=27$
17. $20÷3=6······2$
18. $48÷8=6$
19. $28÷5=5······3$
20. $46÷5=9······1$
21. $40÷5=8$
22. $19÷7=2······5$
23. $42÷6=7$
24. $39÷5=7······4$
25. $4×7=28$
26. $35÷9=3······8$
27. $24÷3=8$
28. $44÷6=7······2$
29. $5×6=30$
30. $59÷8=7······3$
二、()里最大能填几?
$8×(\quad)<50$
$33>(\quad)×6$
$(\quad)×9<63$
$(\quad)×5<32$
$36>(\quad)×9$
$7×(\quad)<49$
$3×(\quad)<26$
$20>8×(\quad)$
$(\quad)×4<29$
$5×(\quad)<41$
$23>(\quad)×7$
$(\quad)×6<35$
$7×(\quad)<21$
$56>8×(\quad)$
$43>(\quad)×9$
$8×(\quad)<50$
$33>(\quad)×6$
$(\quad)×9<63$
$(\quad)×5<32$
$36>(\quad)×9$
$7×(\quad)<49$
$3×(\quad)<26$
$20>8×(\quad)$
$(\quad)×4<29$
$5×(\quad)<41$
$23>(\quad)×7$
$(\quad)×6<35$
$7×(\quad)<21$
$56>8×(\quad)$
$43>(\quad)×9$
答案
1. $8×6<50$
2. $33>5×6$
3. $6×9<63$
4. $6×5<32$
5. $36>3×9$
6. $7×6<49$
7. $3×8<26$
8. $20>8×2$
9. $7×4<29$
10. $5×8<41$
11. $23>3×7$
12. $5×6<35$
13. $7×2<21$
14. $56>8×6$
15. $43>4×9$
2. $33>5×6$
3. $6×9<63$
4. $6×5<32$
5. $36>3×9$
6. $7×6<49$
7. $3×8<26$
8. $20>8×2$
9. $7×4<29$
10. $5×8<41$
11. $23>3×7$
12. $5×6<35$
13. $7×2<21$
14. $56>8×6$
15. $43>4×9$
登录