New Syllabus MAths 問題3

2010-08-20 7:13 am
這個問題係 New Syllabus MAths Summer Vacation exs 既 f.1-f.2 出既~
問題係第69頁:

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

(b) There are 8 cages ingarden 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.
(1) Write down his calim in equation.
(2) Do you agree with him? Explain.~

希望大家可以幫幫我>< t.t

另外~
我仲有2個問題唔識....
希望在線的你可以幫幫手.....
你打:
New Syllabus MAths 問題1
同埋
New Syllabus MAths 問題2
就可以了....
幫幫手啦.........

15分的喔~!!!!!!!

回答 (1)

2010-08-20 8:11 am
✔ 最佳答案
a)
The total no. of animals

= 4 x 4 x 4

= 64

= 4^3
The total no. of legs

= 4 x 4 x 4 x 4

= 256

= 4^4

b)
The no. of animals

= 8 x 8 x 8

= 512

= 8^3

c)
So,
equation is:
garden B = 4 garden A

I don't agree his answer

512 not equal to 4 * 256


參考: My Maths Knowledge


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