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nobel prize winners in SGP??
From: commoner2009 Oct-9 10:25 pm
To: ALL (1 of 54)
22535.1
According to posts on an online forum for parents, one example of the problem sums given was: "Jim bought some chocolates and gave half of it to Ken. Ken bought some sweets and gave half of it to Jim. Jim ate 12 sweets and Ken ate 18 chocolates. The ratio of Jim's sweets to chocolates became 1:7 and the ratio of Ken's sweets to chocolates became 1:4. How many sweets did Ken buy?"
KNN give sweet, then chocolate, then eat, then ratio... na bei make until so complicated
From: commoner2009 Oct-9 10:25 pm
To: ALL (1 of 54)
22535.1
According to posts on an online forum for parents, one example of the problem sums given was: "Jim bought some chocolates and gave half of it to Ken. Ken bought some sweets and gave half of it to Jim. Jim ate 12 sweets and Ken ate 18 chocolates. The ratio of Jim's sweets to chocolates became 1:7 and the ratio of Ken's sweets to chocolates became 1:4. How many sweets did Ken buy?"
KNN give sweet, then chocolate, then eat, then ratio... na bei make until so complicated