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Teacher Yinxue
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Teacher Yinxue
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First use a round number (up or down is okay) that is easy to find the answer for. "Say that you have 5980 divided by 347 Estimate by using 6000/300 = 20" It's easier to calculate for 6000/300 than 5980/347, right? So get that answer which is 20. If you
