數學我不懂哇~
數學功課常常F = =
dorara 发表于 2012-2-8 19:26 http://doratown.net/images/common/back.gif
貌似退步了，很多不会算。。。
补充一句：等很久才领悟到
貌似退步了，很多不会算。。。
lim530 发表于 2012-2-8 19:28 http://www.doratown.net/images/common/back.gif
我是不懂解釋英文題目@@
我是不懂解釋英文題目@@
dorara 发表于 2012-2-8 19:28 http://doratown.net/images/common/back.gif
我懂！！但是。。。
我懂！！但是。。。
lim530 发表于 2012-2-8 19:30 http://www.doratown.net/images/common/back.gif
不懂算= =
不用怕 有計算機 = =
我是不懂解釋題目然後做出來= =
不懂算= =
不用怕 有計算機 = =
我是不懂解釋題目然後做出來= =
dorara 发表于 2012-2-8 19:31 http://doratown.net/images/common/back.gif
计算机神码玩意的～我是不懂怎么算出来，题目看起来有够无厘头
计算机神码玩意的～我是不懂怎么算出来，题目看起来有够无厘头
lim530 发表于 2012-2-8 19:33 http://www.doratown.net/images/common/back.gif
我不懂列式:'(
我懂formula，头脑就是转不过来
我懂formula，头脑就是转不过来
lim530 发表于 2012-2-8 19:50 http://www.doratown.net/images/common/back.gif
我就是不懂寫formula:'(
来，“果果”教你～（误
来，“果果”教你～（误
lim530 发表于 2012-2-8 19:52 http://www.doratown.net/images/common/back.gif
530大哥教我教我~~~~~~~~~!!!!!!!!
530大哥教我教我~~~~~~~~~!!!!!!!!
dorara 发表于 2012-2-8 19:53 http://doratown.net/images/common/back.gif
出题
出题
lim530 发表于 2012-2-8 19:54 http://www.doratown.net/images/common/back.gif
等一等 我打字慢= =
kk等你
A watch is sold for $1840 at a profit of 15% . What should the selling price be such that the profit made is doubled?
看了看Dorara的出的题感觉以前的数学好简单.....
看了看Dorara的出的题感觉以前的数学好简单.....
谷神哆啦 发表于 2012-2-8 20:01 http://doratown.net/images/common/back.gif
哈哈哈哈哈～
A watch is sold for $1840 at a profit of 15% . What should the selling price be such that the profit ...
dorara 发表于 2012-2-8 19:58 http://doratown.net/images/common/back.gif
叫下楼的解～
叫下楼的解～
lim530 发表于 2012-2-8 20:05 http://www.doratown.net/images/common/back.gif
我很懒惰的....
另外:A shop keeper buys a table for $460 and 6 chairs for $90 each . He sells the table at a profit of 30% and the chairs at a loss of 5%
a) Find the profitfrom selling the table.
b)Find the loss in selling all the chairs.
c) Find the overall percentage profit.
我做了a和b 不懂c= =
a) 460x(1+30%)-460
=$138
b) 90x6-(90x6)x(1-5%)
=$27
c) ??????????????