Question
PSLE
Mark and Kimberly have some buttons. After Mark gives 56 buttons to Kimberly, he has 23 buttons more than her. How many more buttons than Kimberly does Mark have at first?
2 m

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PSLE
Mark and Kimberly have some buttons. After Mark gives 56 buttons to Kimberly, he has 23 buttons more than her. How many more buttons than Kimberly does Mark have at first?