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標題:
一條幾簡單既數學題目～幫幫手吧～！！
發問:
Jade is now y years old.Two years later,Jade's age will be half the age of her mother. (a) If Jade 's mother is now under 60 years of age, set up an algebraic inequality involving y. (b) If Jade is younger than her mother by 28 years, find the value of y. 請詳細回答～！！ 更新: 可以用中文～ 更新 2: 可否解釋一下點解咁計法??
最佳解答:
(a) 2(y+2)-2
其他解答:
(a) 2 ( Jade's years old + years ) - 2
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