算式要有步骤:X(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)打错了:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)

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算式要有步骤:X(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)打错了:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)算式要有步骤:X(3+1)(3^2+1)

算式要有步骤:X(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)打错了:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
算式要有步骤:X(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
打错了:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)

算式要有步骤:X(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)打错了:(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)
原式=(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)/(3-1)
=(3^32-1)/(3-1)
=(32^2-1)/2

^是什么意思,好像没见过这样的符号......