2²-54²+256×352求因式分解的答案,急_数学解答

2²-54²+256×352求因式分解的答案,急

人气：271 ℃　时间：2020-04-25 06:40:28

解答

2" - 54" + 256 X 352
= 256 X 32 X 11 - ( 54" - 2" )
= 256 X 32 X 11 - ( 54 - 2 )( 54 + 2 )
= 256 X 32 X 11 - 52 X 56
= 256 X 32 X 11 - 13 X 4 X 8 X 7
= 32 X ( 2560 + 256 - 91 )
= 32 X ( 2560 + 165 )
= 32 X 2725
= 8 X 10900
= 87200