中學MATHS題...

2007-08-20 5:43 am
下列各題用代數形式表示出來...

1. 傱c的3倍-去2時,所得的差大於e的一半
2. 自a和7的商-去4和c的差
3. m同n的和的5倍大於p的一半同q的差
4. r的立方-3,所得的差小於t和u的 1over 2 的積
5. 自t同m的和除以p同q的差

6.4s-s+2=7
7. 4-t=4t-6
8. 6(u+5)+2(u+5)=80
9. 2w - Wover4 =42
10. 4-xover2 + x-1over5 -2=0
11. x+(x+6)=3x6
12.300-x=X over5
13. 1over3 (x-10)=15
14. X x (1over2 + 1over4 ) =570

回答 (2)

2007-08-20 7:07 am
✔ 最佳答案
1) 3c-2>e over 2
2) a over 7-(4-c)
3) 5(m+n)>p over 2 - q
4) r的3次方-9<(t+u)x1over2
5) (t+m)over(p-q)
6) s = 5 over 3
7) t = 2
8) u = 5
9) w = 24
10) x = -2 over 3
11) x = 6
12) x = 250
13) x = 55
14) Xx = 760
2007-08-20 6:05 am
(1)3c-2>e over 2
(2)a over 7-(4+c)
(3)5(m+n)>p over 2 - q
(4)r 3次方-9<(t+u)*1over2
(5)(t+m)over(p-q)
(6)s=1
(7)t=2
(8)u=5
(9~14)i don't know
參考: ME


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