Toán tiếng anh dành cho hs 6 và 7

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smore

Q1. Several pairs of positive integers (m, n) satisfy the condition 19m + 90 + 8n = 1998 . Of these, ( 100, 1 ) is the pair with the smallest value for n . Find the pair with the smallest value for m .

Q2. It is 1:00 am on April 9th. How much money would you make in the next 48 hours if you made 8 dollars every time the hands of a clock formed a 90 degree angle?

nguồn: http://thichtoanhoc.wordpress.com/tth-math-olympiad/
 
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