(1+1/2)(1+1/2²)(1+1/2^4)(1+1/2^8)+1/2^15
=2*(1-1/2)(1+1/2)(1+1/2²)(1+1/2^4)(1+1/2^8)+1/2^15
=2*(1-1/2^2)(1+1/2²)(1+1/2^4)(1+1/2^8)+1/2^15
=2*(1-/2^4)(1+1/2^4)(1+1/2^8)+1/2^15
=2*(1-1/2^8)(1+1/2^8)+1/2^15
=2*(1-1/2^16)+1/2^15
=2-1/2^15+1/2^15
=2
第二题干什么?要解方程?麻烦题目写清楚一些.
两题简单的初升高的数学题
两题简单的初升高的数学题
(1+1/2)(1+1/2²)(1+1/2^4)(1+1/2^8)+1/2^15
(6X+7)²(3X+4)(X+1)=6
需写明计算过程
(1+1/2)(1+1/2²)(1+1/2^4)(1+1/2^8)+1/2^15
(6X+7)²(3X+4)(X+1)=6
需写明计算过程
数学人气:507 ℃时间:2020-03-23 09:04:48
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