初中常用数的平方立方及开平方开立方表.doc

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1、初中常用数的平方立方及开平方开立方表__________________________________________________1—30的平方12=122=432=942=1652=2562=3672=4982=6492=81102=100112=121122=144132=169142=196152=225162=256172=289182=324192=361202=400212=441222=484232=529242=576252=625262=676272=729282=784292=841302=9001—10的立方13=123=833=2743=6

2、453=12563=21673=34383=51293=729103＝10002的1—10次方21=222=423=824=1625=3226=6427=12828=25629=512210=1024____________________________________________________________________________________________________________________________________________________________________________________________

3、____________1-20平方根，1-10立方根表平方根√1=1立方根√2=1.41421356237313√1=1√3=1.732050807568883√2=1.25992104989487√4=23√3=1.44224957030741√5=2.236067977499793√4=1.5874010519682√6=2.449489742783183√5=1.7099759466767√7=2.645751311064593√6=1.81712059283214√8=2.828427124746193√7=1.91293118277239√9=33√8=2√

4、10=3.162277660168383√9=2.0800838230519√11=3.31662479035543√10=2.15443469003188√12=3.46410161513775√13=3.60555127546399√14=3.74165738677394√15=3.87298334620742√16=4√17=4.12310562561766√18=4.24264068711928√19=4.35889894354067_________________________________________________________________

5、___________________________________√20=4.47213595499958__________________________________________________