Lời Giải
Lời Giải
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Represent the numbers with :
A.T.Q.:
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125 is 5% of what numberthe sum of two positive numbers is 7 times their hiệu. the hiệu of the squares of these numbers is twice the sum of the numbers. find these numbersDianne is 23 years older than her daughter Amy. In 6 years, Dianne will be twice as old as AMy. How old is amy?The hiệu of twice a number and 3 is greater than 2190 is 150% of what number