小二甲班鄭奕杰 1. 15+9 = 15+5+4 = 20+4 = 24 2. 14+4 = 18 3. 17+7 = 17+3+4 = 20+4 = 24 4. 18+1 = 19 5. 16+3 = 19 6. 16+9 = 16+4+5 = 20+5 = 25 7. 12+9 = 12+8+1 = 20+1 = 21 8. 19+7 = 19+1+6 = 20+6 = 26 9. 17+2 = 19 10. 17+5 = 17+3+2 = 20+2 = 22 11. 15+9 = 15+5+4 = 20+4 = 24 12. 16+7 = 16+4+3 = 20+3 = 23 13. 15+8 = 15+5+3 = 20+3 = 23 14. 19+2 = 19+1+1 = 20+1 = 21 15. 17+9 = 17+3+6 = 20+6 = 26 16. 16+5 = 16+4+1 = 20+1 = 21 17. 17+3 = 20 18. 19+3 = 19+1+2 = 20+2 = 22 19. 16+9 = 16+4+5 = 20+5 = 25 20. 15+7 = 15+5+2 = 20+2 = 22 21. 17+1 = 18 22. 18+7 = 18+2+5 = 20+5 = 25 23. 19+6 = 19+1+5 = 20+5 = 25 24. 19+2 = 19+1+1 = 20+1= 21 |
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