(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
=(2根号2+3)^2005次方乘以(2根号2-3)^2005次方×(2√2-3)
=[(2根号2+3)乘以(2根号2-3)]^2005次方×(2√2-3)
=[8-9]^2005次方×(2√2-3)
=3-2√2
(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
数学人气:939 ℃时间:2019-08-17 15:27:12
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