Question

-根号2的绝对值-根号8+(根号2-1)的0次方+(2根号2)的负一次方

-根号2的绝对值-根号8+(根号2-1)的0次方+(2倍根号2)的负一次方

Answer 1

-根号2的绝对值-根号8+(根号2-1)的0次方+(2倍根号2)的负一次方
=√2-√8+1+1/(2√2)
=√2-2√2+1+(√2)/(2√2*√2)
=-√2+1+(√2)/4
=(-3√2)/4+1

Answer 2

8+|2√2-3|-(1/3)的-1次方-(2015+根号2)的0次方
=8+3-2√2-3-1
=7-2√2
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