12022思维挑战冬令营八年级真题1.若n为整数，且372()2n为整数，则满足条件的n有________个．2.若51x，则432323624xxxxxx=________．3.计算：20212022202120222021202220212022________．4.已知1abab，则22222221abababb=________．5.已知1x，432463xxx，则3233333xxx=________．6.正数a，b，c满足a²+b²=100，a²+c²=81，b²+c²=m²，则满足条件的正整数m有___...