德望學校 – S1數學 1A Chapter 4 Algebraic Equations in 1 Unknown – CQ (16-21)

試卷答案:

1. a) x = 8
   b) w = 30/11
2. 91
3. a) x = 17
   b) y = 11
4. a) x = 0
   b) x = 21/8
5. 3x + x + (x + 30) = 100
   x = 14
   Anna’s claim is not correct.
6. a) a = -2
   b) b = 30
   c) c = 17
7. n = 16
8. Ann’s brother is 2 years old.  Ann is 6 years old.
9. y = 21/2
10. It is not possible.
11. a) 7 (°C)
    b) x = 8
12. The claim is disagreed.
13. 93
14. a) x = 24
    b( 48 – 12n
15. 22
16. a) k = 3
    b) n = 8
17. m = -9
18. b = 21
19. a) 1000 – 2x²
    b) 800
20. x = -28
21. a) x = 1
    b) x = 23/5
22. 10
23. a) 21
24. x = 37/14
25. x = 5
26. x = -21
27. 58
28. x = 1/2
29. x = -1
30. 70

如欲取得詳細題解, 請電郵 [email protected]。

< 返回 德望學校 – 中一數學考試真題 主頁 >