. Xu?ng ti?n tr??c khi tr?n b?t ??u hay tham gia c??c trong khi tr?n thi ??u di?n ra.Quite simply, if you find yourself typing a value into your worksheet manually, see if you can transform it to a formulation. This habit will never only enable you to see what can be done, it may even get rid of a manual entry move (increasing efficiency, and lesse