Mathematics, 21.08.2020 20:01 ashiteru123
To calculate $51^2$, Alex mentally figures the value $50^2$ and adds 101. Alex subtracts a number from $50^2$ to calculate $48^2$. What number does she subtract?
Answers: 3
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To calculate $51^2$, Alex mentally figures the value $50^2$ and adds 101. Alex subtracts a number fr...
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