英语奥数(能答多少答多少)

来源:百度知道 编辑:UC知道 时间:2024/05/19 00:11:13
1)Mrs Ng weighs 4 times as heavy as her son.If she is 45kg heavy than her son,what is her son's weight?

2)Mary gave 6分之1 of a cake to Lenny and 5分之1 of the remainder to Ellen.What fraction of the cake has she left?

3)I run in a straight line 6 kilometres North and then 6 kilometers
East,I then waik 3 kilometers West.How far am I now from my starting
point(出发点)?

4)What is the 百分数 of families with 3 or less than 3 children?

5)A pair of shoes is sold for $26 a discount of 20%.Find the amount of discount given.

1.45/(4-1)=15KG

2.1-1/6-(5/6)x(1/5)=2/3

3。6^2+3^2=36+9=45
45开根号,3倍根号5

4.没看明白题目什么意思 3个或者少于3个孩子的家庭的百分数??

5.26/4=6.5