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F.2 maths 暑假作業 help me!!!
1 . Marry spends $825 to buy a T-shirt and a coat.The price of T-SHIRT is $258 cheaper thanHalf of the price of the coat.
How much is the coat?
2 . 三角形數列的數型?
3 . 1/3 , 1/5 , 1/9 , 1/17 , 1/33 , ...
數型 :
4 . 81,54,36,24,16...是屬於哪種數列?
寫出隨後的三項 :
5 . 長方體魚缸長20cm,闊10cm,高14.5cm,入面有2升的水 。若從魚缸裏抽去水1.5升,
問水會下降多少?
6 . 蘋果汁每瓶0.75升,4瓶共售$46。橙汁每瓶1.25升,5瓶共售$77.5。
分別求出每升蘋果汁及每升橙汁的售價(答案以$/L表示)
7 . Some sweets are shared by a group of children.If each child gets 5 sweets , 8 sweets will be left.
If each child wants to get 7 sweets, 10 more sweets will be needed . How many sweets are there?
8 . Suppose each kilogram of pork costs $15 and each kilogram og beef costs$21. If Susan uses$140
to buy 8kilograms of pork and beef altogether,how many kilograms of beef does she buy?
9 . Find two consecutive integers such that 3/5 of the larger number exceeds 1/4 of the smaller one by 5又2份之一
Help me please~~~~~~~
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