<40 marks> 各位知識朋友 , 入黎幫我手 ar !!! ( 數學F.1 ) (88)

2008-08-17 10:06 pm
各位知識朋友 , 入黎幫我手 ar !!!

我有幾條數學問題唔識 , 幫手解答 ar( 數學F.1 )!!!!!!!!!!!!!!! (要步驟)

1.
(a) There are 4 cages in garden A, each cage can keep 4 types of
animals, each animals has 4 legs. Use index notation to express the
total number of
(Ⅰ) animals
(Ⅱ) legs
in garden A. Then find their values.

(b) There are 8 cages in garden B. Each cage can keep 8 type of
animals and each type has 8 animals. Use index notation to express
the total number of animals in garden B. Then find its value.

(c) Samuel claims that the total number of animals in garden B is 4
times that of animals in garden A.
(Ⅰ) Write down his claim in equation.

回答 (1)

2008-08-18 3:57 am
✔ 最佳答案
哦!!

其實好簡單既

第1題 part a題系中文系

有4 隻籠子在庭院裡A, 各隻籠子可能保留4 類型動物, 各動物有4 條腿。使用索引記法表達總數動物or腳...

咁你明咪

吾明都吾緊要既

我可以盡力幫你解答

咪要搵有幾多隻動物既

咁題目話有4個籠系garden A既

一個籠可以裝到4隻animals既

搵咪

4x4=16

咁佢話要轉指數計數法

咁咪等於4^2

即4既2次方

知道左有幾多隻animals

計落去就勁容易

籠入面d動物全部都有4隻腳

16隻動物乘4隻腳



16x4=64

下面比個答案你,費時你睇吾明上面d式

1.
(a) There are 4 cages in garden A, each cage can keep 4 types of
animals, each animals has 4 legs. Use index notation to express the
total number of
(Ⅰ)16 animals
(Ⅱ)64 legs

2008-08-17 19:58:55 補充:
以下系part b

2008-08-17 20:04:55 補充:
咪住先

頭先part a 咪化為指數計數法

(Ⅰ)16 animals=4^2animals

(Ⅱ)64 legs= 4^3 legs

同埋上面打錯左吾系索引記法,應該系指數計數法


真系非常sorry

2008-08-17 20:05:22 補充:
以下系先系part b

2008-08-17 20:09:29 補充:
又sorry

16animals=2^4

64 legs=2^6

2008-08-17 20:10:57 補充:
part b 其實同part a 一樣

咁你應該識架啦

2008-08-17 20:20:27 補充:
part c仲easy


garden B系等於4 x(乘) garden A

咁4xgarden A

但要設方程

so要


x ÷4=16

x=16X4

x=64
參考: me


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