NotonlydidtheydisposeofsumsthatIhadwrestledwithlongandhardinthepast,theyalsoknockedofftwonewproblemsIwasworkingonatthetimeIfirsttriedthem.Thesuccessratewasastonishing.
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Not only did they dispose of sums that I had wrestled with long and hard in the past, they also knocked off two new problems I was working on at the time I first tried them. The success rate was astonishing.