Use a real-life situation to represent eash of the following algebraic expressions.
(a) a+10
(b) 3b
(c) x+2y
中學數學題。超急﹗請高人指點﹗﹗﹗
2012-09-18 2:50 am
回答 (2)
2012-09-18 8:03 am
✔ 最佳答案
(a)John is a years old. In 10 years time, John will be (a + 10) years old.
(b)
Lily bought three identical articles. The price of each article was b dollars. Thetotal price of the three articles were 3b dollars.
(c)
Peter has x stamps, and each of Paul and Mary has y stamps. They have totally (x + 2y) stamps.
參考: micatkie
2012-09-18 7:45 am
(A)今日去雜貨店買野,睇到A產品再加10蚊有公仔換WO
(B)今日百貨公司大減價,買兩件送一件,同樣價錢
(C)我已經買左洗頭水,既然買得洗頭水,順便買多兩支護髮素
(B)今日百貨公司大減價,買兩件送一件,同樣價錢
(C)我已經買左洗頭水,既然買得洗頭水,順便買多兩支護髮素
收錄日期: 2021-04-13 18:59:21
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