①(0.25^2008)*(4^2009)-(8^100)*0.5^300得多少 ②(0.125^3)*(0.25^3)
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①(0.25^2008)*(4^2009)-(8^100)*0.5^300得多少 ②(0.125^3)*(0.25^3)*(2^6)*2^12
![①(0.25^2008)*(4^2009)-(8^100)*0.5^300得多少 ②(0.125^3)*(0.25^3)](/uploads/image/z/19229969-65-9.jpg?t=%E2%91%A0%280.25%5E2008%29%2A%284%5E2009%29-%288%5E100%29%2A0.5%5E300%E5%BE%97%E5%A4%9A%E5%B0%91+%E2%91%A1%280.125%5E3%29%2A%280.25%5E3%29)
①(0.25^2008)*(4^2009)-(8^100)*0.5^300
=(0.25^2008)*(4^2008)*4-(2^300)*0.5^300
=(0.25*4)^2008*4-(2*0.5)^300
=1^2008 *4- 1^300
=4-1
=3
②(0.125^3)*(0.25^3)*(2^6)*2^12
=(0.125^3)*(0.25^3)*(4^3)*8^4
=(0.125^3)*(0.25^3)*(4^3)*8^3*8
=(0.125×8)^3*(0.25*4)^3*8
=1*1*8
=8
=(0.25^2008)*(4^2008)*4-(2^300)*0.5^300
=(0.25*4)^2008*4-(2*0.5)^300
=1^2008 *4- 1^300
=4-1
=3
②(0.125^3)*(0.25^3)*(2^6)*2^12
=(0.125^3)*(0.25^3)*(4^3)*8^4
=(0.125^3)*(0.25^3)*(4^3)*8^3*8
=(0.125×8)^3*(0.25*4)^3*8
=1*1*8
=8
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