(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
答案:1 悬赏:30 手机版
解决时间 2021-11-30 19:51
- 提问者网友:wodetian
- 2021-11-30 14:17
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
最佳答案
- 五星知识达人网友:山有枢
- 2021-11-30 14:50
(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
=(3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)/(3-1)
=(3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)/2
=(3^4-1)(3^4+1)(3^8+1)(3^16+1)/2
=(3^8-1)(3^8+1)(3^16+1)/2
=(3^16-1)(3^16+1)/2
=(3^32-1)/2追问除以(3-1)为什么变成除以2了追答3-1=2啊
=(3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)/(3-1)
=(3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)/2
=(3^4-1)(3^4+1)(3^8+1)(3^16+1)/2
=(3^8-1)(3^8+1)(3^16+1)/2
=(3^16-1)(3^16+1)/2
=(3^32-1)/2追问除以(3-1)为什么变成除以2了追答3-1=2啊
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