(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)等于几(^是几的几次方)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 23:15:59
(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)等于几(^是几的几次方)

(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)等于几(^是几的几次方)
(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)等于几(^是几的几次方)

(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)等于几(^是几的几次方)
(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2-1)×(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2²-1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2^4-1)x(2^4+1)x(2^8+1)x...x(2^32+1)'
反复用平方差
=2^64-1


原式=(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=1x(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2-1)x (2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2...

全部展开


原式=(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=1x(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2-1)x (2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2²-1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2^4-1)x(2^4+1)x(2^8+1)x...x(2^32+1)
=(2^32-1)x(2^32+1)
=2^64-1
此题就是在前面乘以一个1,然后利用平方差公式,最终结果写2^64-1即可,具体值不用算出,还有不懂的可以问我。

收起