一、口算。
$4×4=$ $67-50=$ $1×6+11=$
$2×5=$ $2×4=$ $3×4-8=$
$3×6=$ $0×5=$ $2×2+30=$
$2×6=$ $23-9=$ $6×6+7=$
$32-6=$ $4×5=$ $3×3+24=$
$3×4=$ $32+60=$ $2×6+10=$
$3×5=$ $66-7=$ $2×3+7=$
$20+55=$ $5×5=$ $3×6-8=$
$4×6=$ $0÷6=$ $4×5+12=$
$42+8=$ $5×6=$ $6×6-5=$
$4×4=$ $67-50=$ $1×6+11=$
$2×5=$ $2×4=$ $3×4-8=$
$3×6=$ $0×5=$ $2×2+30=$
$2×6=$ $23-9=$ $6×6+7=$
$32-6=$ $4×5=$ $3×3+24=$
$3×4=$ $32+60=$ $2×6+10=$
$3×5=$ $66-7=$ $2×3+7=$
$20+55=$ $5×5=$ $3×6-8=$
$4×6=$ $0÷6=$ $4×5+12=$
$42+8=$ $5×6=$ $6×6-5=$
答案
1. $4×4=16$
2. $67-50=17$
3. $1×6+11=17$
4. $2×5=10$
5. $2×4=8$
6. $3×4-8=4$
7. $3×6=18$
8. $0×5=0$
9. $2×2+30=34$
10. $2×6=12$
11. $23-9=14$
12. $6×6+7=43$
13. $32-6=26$
14. $4×5=20$
15. $3×3+24=33$
16. $3×4=12$
17. $32+60=92$
18. $2×6+10=22$
19. $3×5=15$
20. $66-7=59$
21. $2×3+7=13$
22. $20+55=75$
23. $5×5=25$
24. $3×6-8=10$
25. $4×6=24$
26. $0÷6=0$
27. $4×5+12=32$
28. $42+8=50$
29. $5×6=30$
30. $6×6-5=31$
2. $67-50=17$
3. $1×6+11=17$
4. $2×5=10$
5. $2×4=8$
6. $3×4-8=4$
7. $3×6=18$
8. $0×5=0$
9. $2×2+30=34$
10. $2×6=12$
11. $23-9=14$
12. $6×6+7=43$
13. $32-6=26$
14. $4×5=20$
15. $3×3+24=33$
16. $3×4=12$
17. $32+60=92$
18. $2×6+10=22$
19. $3×5=15$
20. $66-7=59$
21. $2×3+7=13$
22. $20+55=75$
23. $5×5=25$
24. $3×6-8=10$
25. $4×6=24$
26. $0÷6=0$
27. $4×5+12=32$
28. $42+8=50$
29. $5×6=30$
30. $6×6-5=31$
二、()里最大能填几?
(
(
(
6×(
5×(
(
3
)×6<24 (6
)×3<20 2×(4
)<10(
5
)×5<30 6×(2
)<16 3×(5
)<18(
4
)×4<18 3×(4
)<15 (5
)×6<336×(
6
)<40 (5
)×2<12 (3
)×4<145×(
1
)<6 (6
)×4<25 (4
)×5<22答案
1. 3
2. 6
3. 4
4. 5
5. 2
6. 5
7. 4
8. 4
9. 5
10. 6
11. 5
12. 3
13. 1
14. 6
15. 4
2. 6
3. 4
4. 5
5. 2
6. 5
7. 4
8. 4
9. 5
10. 6
11. 5
12. 3
13. 1
14. 6
15. 4
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