因為U={x丨x≤10,x∈N},所以U={x丨0,1,2,3,4,5,6,7,8,9,10}
因為A是U的真子集,B是U的真子集,又因為A∩B={4,5,6},所以{4,5,6}屬于A和B
因為(補集A)∩(補集B)={7,8},所以{7,8}不屬于A和B
因為(補集B)∩A={2,3},所以{2,3}屬于A,{0,1,4,5,6,9,10}屬于B
所以綜上所述A={2,3,4,5,6},B={0,1,4,5,6,9,10}