Contact us
Choose a category below so we can get back to you as quickly as possible.
5^2009x(1/5)^2008÷(-1)^2010 =5^2009x5^(-2008)÷1 =5^1=5
2的2010次方乘以-1/2的2009次方=2的2010次方乘以-2的(-2009)次方 =-2的2010次方乘以2的(-20090次方=-2的(2010-2009)次方=-2
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.