F.2maths,,急!

👨🏻‍🏫 學術台數學

[匿名]

2008-09-29 11:54 pm

化簡下列數:
1. a 减b分之3a 减 3b 减3a分之b

2. x(x 减1)分之2x + -3x分之5

3.p 减q分之p + q 减p分之2q 减 2p 减2q分之p

4.x分之3 + x+3 分之5

回答 (3)

Tin Yau

2008-09-30 2:17 am

✔ 最佳答案

1.[(b-3)3a square - (9a+1)b square]/3ab

2.(x-5)/[3x(x-1)]

3.[p(p-2q+2pq)]/2pq

4.(8x+9)/[x(x+3)]

參考: ME

👍 0 👎 0

Chun Hin

2008-10-01 2:34 am

you are very very very lazy !!!!!!!!!!!!!!!!!!!!!!!!

參考: me

👍 0 👎 0

ThomasKWK

2008-09-30 12:54 am

你數学書咪有例子唔　，you are very lazy

👍 0 👎 0