同底数乘法额除法,
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同底数乘法额除法,同底数乘法额除法, 同底数乘法额除法,(4/3)^-2/(3/4)^0=[(3/4)^2]/1=9/162^-2*(4^3*8^0)=2^-2*2^6=2^4=16(a-b
同底数乘法额除法,
同底数乘法额除法,
同底数乘法额除法,
(4/3)^-2/(3/4)^0
=[(3/4)^2]/1
=9/16
2^-2*(4^3*8^0)
=2^-2*2^6
=2^4
=16
(a-b)^4*(a-b)^2
=(a-b)^6
(-3x)^5/(-3x)
=(-3x)^4
=81x^4
(-2xy^2z)^2
=4x^2y^4z^2
(-a^2)^3*(-a^3)^2
=-a^6*a^6
=-a^12
(1/4)^-2*2^-4
=2^4*2^-4
=1
(-9)^-1*(1/3)^-2
=-3^-2*3^2
=-1