(2/3)^(-2)+(1-根号2)^0-(3又3/8)^2/3第一题
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(2/3)^(-2)+(1-根号2)^0-(3又3/8)^2/3第一题
(2/3)^(-2)+(1-根号2)^0-(3又3/8)^2/3
第一题
(2/3)^(-2)+(1-根号2)^0-(3又3/8)^2/3第一题
解
原式
=(3/2)²+1-(27/8)^2/3
=(3/2)²+1-(3/2)²
=1