____崩____裂 ____容____疑 ____秘____测 神来____ ____
涓涓____ ____ ____ ____苍苍 ____姿____态 ____ ____飞瀑
若实数a,b,c满足|a-c|<|b|,则下列不等式中成立的是( )
已知(x2+y2)(x2+y2﹣1)=12,则x2+y2的值是____.