mathematical beginnings logo new small.png        Calculation Clock

possible related topics  calculations, equations

 

Learners might take issue with the calculation for 9, since π is not exactly 3.14. Square brackets might be added to this one to indicate rounding to the nearest integer.

They might also query the quadratic equation for 7, which has two solutions. Adding ‘x > 0’ would do the trick here.

 

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