题目内容
计算(12分)
①已知
②
③
①已知
②
③
①x=± ②=-③=264
①移项,开平方求得②开平方、开立方求得
③原式=(2-1)(2+1)(22+1)(24+1)(28+1)×(216+1)(232+1)+1,
=(22-1)(22+1)(24+1)(28+1)(216+1)×(232+1)+1,
=(24-1)(24+1)(28+1)(216+1)(232+1)+1,
=(232-1)(232+1)+1,
=264-1+1.
=264
③原式=(2-1)(2+1)(22+1)(24+1)(28+1)×(216+1)(232+1)+1,
=(22-1)(22+1)(24+1)(28+1)(216+1)×(232+1)+1,
=(24-1)(24+1)(28+1)(216+1)(232+1)+1,
=(232-1)(232+1)+1,
=264-1+1.
=264
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