1.A age exveeds twice b age by 8 years .In 4 years time half of A age will exeed B ages by 2 years . find their present age
2.If 6 is added to the numerator of a fraction and the denomination is multiplied by 3, it reduces to 2/3 .If one is subtracted from the denominator,it reduces to 1.Find the equation.
唔該俾條式我..(唔要答案) 要式
MATHS 假期功課 關於simultaneous linear equations
2008-03-21 11:35 pm
回答 (1)
2008-03-28 12:41 am
✔ 最佳答案
1.A + 8 = 2B
(1/2A) +4 +2= B + 4
2.
(x + 6) / 3y = 2/3
x/(y-1) = 1
收錄日期: 2021-05-01 17:32:27
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