您好，1. 45 + 27 = 2. 68 - 23 = 3. 12 x 5 = 4. 72 ÷ 8 = 5. 36 + 14 = 6. 89 - 35 = 7. 15 x 4 = 8. 96 ÷ 6 = 9. 58 + 27 = 10. 76 - 42 = 11. 18 x 6 = 12. 84 ÷ 7 = 13. 39 + 48 = 14. 72 - 29 = 15. 24 x 3 = 16. 96 ÷ 8 = 17. 67 + 35 = 18. 82 - 49 = 19. 16 x 7...
阅读更多