(2/3)^0+(√8)*(0.25)^(1/4)-lg25-2lg2
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(2/3)^0+(√8)*(0.25)^(1/4)-lg25-2lg2(2/3)^0+(√8)*(0.25)^(1/4)-lg25-2lg2(2/3)^0+(√8)*(0.25)^(1/4)-lg25
(2/3)^0+(√8)*(0.25)^(1/4)-lg25-2lg2
(2/3)^0+(√8)*(0.25)^(1/4)-lg25-2lg2
(2/3)^0+(√8)*(0.25)^(1/4)-lg25-2lg2
原式=1+(√8)*【(0.5)^2】^(1/4)-（lg25+lg4)
=1+√8*√0.5-lg100
=1+√4-2
=1+2-2
=1