Question
PSLE
Perry and Opal have some buttons. After Perry gives 61 buttons to Opal, he has 17 buttons more than her. How many more buttons than Opal does Perry have at first?
2 m

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PSLE
Perry and Opal have some buttons. After Perry gives 61 buttons to Opal, he has 17 buttons more than her. How many more buttons than Opal does Perry have at first?