唔該,又有升中1數唔識了,各大大幫下手 [複製鏈接]

選擇題..



1.in the algebraic expression ut       1
                                                            + ----  at2<<<<<<<<<<<2係2次方   how many variables are there?
                                                                 2
a.2
b.3
c.4
d.5





2.which of the following has ths greatest value?

a.32%
b.0.315
c.27分之8
d.7分之2


3.there are 12 pears and 18 oranges in a basket. what is the percentage of the number of oranges to the number of fruits in the basket?

a.40%
b.50%
c.60%
d.150%

4.if the football is sold at 20% discount.what is the selling price?

a.$140
b.$145
c.$150
d.$155



仲有...


盒中有m個紅球和n個白球,若紅球的數量是白球的45%,而每種球的數量都少於50.寫出2組m和n的值.
(A)m=  n=        (b)m= n=



新增的
5.how many times does a square overlap the original shape in one rotation?
a.1
b.2
c.3
d.4

1. c.4    (包括u,t,a,t square這四個)

2. a.32%

3. c.60%

4. ??

(A)m=9  n= 20      (b)m=18 n=40

引用第1樓bon1於2008-08-09 17:24發表的  :
1. c.4    (包括u,t,a,t square這四個)
2. a.32%
3. c.60%
.......

t 和 t² 好像算是一個variable吧?

引用第2樓牙然於2008-08-09 23:05發表的  :
t 和 t² 好像算是一個variable吧?

是嗎-.-?

那牙然, 您懂不懂第四題mc?

引用第3樓bon1於2008-08-09 23:11發表的  :
是嗎-.-?
那牙然, 您懂不懂第四題mc?

資料不足.....-_-"

第4題只係話如果個波打8折,個價錢會係幾多
冇講個波係幾錢

sor
個到寫左個波係175
80$就係140
睇錯SOIR

同埋想問下M個紅球同N個白球個題點計

我新增緊3題
仲有3題唔識

引用第6樓↗滅絕↖於2008-08-10 15:11發表的  :
sor
個到寫左個波係175
80$就係140
睇錯SOIR

不太明白您的 "80$就係140"

5.how many times does a square overlap the original shape in one rotation?

d.4

引用第8樓bon1於2008-08-10 15:28發表的  :
不太明白您的 "80$就係140"
5.how many times does a square overlap the original shape in one rotation?
.......

是80%就是140
不價175
80%
140